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Combine this experience with state of the art equipment such as ultrasonic tests, x-rays, laser measurement equipment, and applications like computerized Finite Element Analysis (FEA) and it is no wonder why supertech has some of the best performance products on the market.\u003c\/p\u003e\n\u003cp\u003eWhile this is more than most manufacturers we don’t stop there. We also do extensive testing working very closely with many of today's top engine builders in order to continuously improve our products. All of this is meant to insure Supertech's industry leading reputation for high flow rates, durability and uncompromising quality.\u003c\/p\u003e\n\u003ch3\u003eENGINE VALVE MANUFACTURING\u003c\/h3\u003e\n\u003cp\u003eProduction of our racing valves begins with a one piece forging, where the head of the valve is forged under a slow two step process to keep a good material grain flow. The forging is then CNC machined in several steps to ensure the precision of the final dimensions. We then do another heat treatment for stress relieving followed by a nitride hardening treatment (or coating process depending on the application). Lastly, we do one more grinding, followed by our patented Superfinishing of the surface to ensure that each valve is free of any imperfections and the dimensions are precise.\u003c\/p\u003e\n\u003ch3\u003eONE PIECE VALVE\u003c\/h3\u003e\n\u003cp\u003eOur valves are not finished from generic blanks rather they are specifically designed for each and every application. We work relentlessly, testing and researching every aspect trying to improve the air flow of our designs.\u003c\/p\u003e\n\u003ch3\u003eDURABILITY\u003c\/h3\u003e\n\u003cp\u003eWith every valve design we strive to maximize durability through higher fatigue resistance and tensile strength. Each valve tip is hardened beyond 52HRc. \u003c\/p\u003e\n\u003ch3\u003eSTRICT TOLERANCES\u003c\/h3\u003e\n\u003cp\u003eIt’s unlikely you will find any of our competitor’s valves with stricter dimensional tolerances than our Supertech valves. Combine that with finished seats with equally strict run out tolerances and you won’t find a better sealing, better performing and easier to install solution anywhere!\u003c\/p\u003e\n\u003ch3\u003eSUPERFINISH\u003c\/h3\u003e\n\u003cp\u003eIn 2006 we introduced our stem Superfinishing as a standard addition to all of our valves and provided it at no additional cost. When our Superfinish is combined with our Black Nitrided valve it reduces the surface roughness to 1\/3 of our chrome coated valve. The end result… unsurpassed performance and durability.\u003c\/p\u003e\n\u003ch3\u003eHIGHER FLOW RATES\u003c\/h3\u003e\n\u003cp\u003eOptimum high flow rates are achieved by ensuring that our valves are manufactured with the best angles for each application. We consider back cut, under cut and valve head angles for each application to produce the optimum high flow rates for each application.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48814224998696,"sku":"BMEVI-1040S-MEGADEAL","price":30.52,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-30-5mm-std-inconel-exhaust-valve-bmw-s54-bmevi-1040s-clearance-cams-valvetrain-901.webp?v=1719502605"},{"product_id":"supertech-6-6mm-exhaust-valve-stem-seal-for-honda-b18a1-clearance","title":"Supertech 6.6mm Exhaust Valve Stem Seal For Honda B18A1 - Clearance","description":"\u003cp\u003eSupertech engine valve seals are made high quality materials to ensure that they not only last long but also perform to the best of their ability.\u003c\/p\u003e\u003cp\u003eThis listing uses a stock photo and actual seals may vary depending on application. Sold individually.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48814225097000,"sku":"VS-H6.6E-MEGADEAL","price":0.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-6-6mm-exhaust-valve-stem-seal-for-honda-b18a1-clearance-cams-valvetrain-400.webp?v=1719502600"},{"product_id":"supertech-spring-retainer-steel-clearance","title":"SUPERTECH SPRING RETAINER. STEEL. - Clearance","description":"\u003cp\u003eMEGA DEALS - SUPERTECH SPRING RETAINER. STEEL.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48814225162536,"sku":"RET-HBK-ST-MEGADEAL","price":9.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-spring-retainer-steel-clearance-cams-valvetrain-225.webp?v=1719502612"},{"product_id":"supertech-inner-spring-seat-locator-for-spr-ts1015-m1007d-clearance","title":"SUPERTECH INNER SPRING SEAT LOCATOR FOR SPR-TS1015 \/ M1007D - Clearance","description":"\u003cp\u003eMEGA DEALS - SUPERTECH INNER SPRING SEAT LOCATOR FOR SPR-TS1015 \/ M1007D\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48814225293608,"sku":"SEAT-TS1015\/2-MEGADEAL","price":5.31,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-inner-spring-seat-locator-for-spr-ts1015-m1007d-clearance-cams-valvetrain-427.webp?v=1719502598"},{"product_id":"supertech-6mm-single-valve-lock-conversion-7-degrees-bmw-m54-clearance","title":"Supertech 6mm Single Valve Lock conversion - 7 Degrees BMW M54 - Clearance","description":"\u003cp\u003eSupertech valve keepers (also known as collets) are precision machined using high quality material to give a finished product worthy of Supertech's established reputation.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48814225260840,"sku":"KPR-6S\/7-MEGADEAL","price":1.68,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-6mm-single-valve-lock-conversion-7-degrees-bmw-m54-clearance-cams-valvetrain-987.webp?v=1719502601"},{"product_id":"supertech-spring-seat-locator-for-spr-ts1015-subaru-wrx-ej20-25-1-5mm-thick-clearance","title":"SUPERTECH SPRING SEAT LOCATOR FOR SPR-TS1015 \/ SUBARU WRX EJ20 - 25\/ 1.5MM THICK - Clearance","description":"\u003cp\u003eMEGA DEALS - SUPERTECH SPRING SEAT LOCATOR FOR SPR-TS1015 \/ SUBARU WRX EJ20 - 25\/ 1.5MM THICK\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48814225424680,"sku":"SEAT-TS\/SUB-MEGADEAL","price":5.31,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-spring-seat-locator-for-spr-ts1015-subaru-wrx-ej20-25-1-5mm-thick-clearance-cams-valvetrain-743.webp?v=1719502588"},{"product_id":"supertech-valve-guide-intake-amp-exhaust-for-mazdaspeed-turbo-mzr-2-3l-11-05mm-x-39-x-5-98mm-clearance","title":"Supertech Valve Guide Intake \u0026amp; Exhaust for MazdaSpeed Turbo MZR 2.3L \/ 11.05mm X 39 X 5.98mm - Clearance","description":"\u003cp\u003eOur Valve Guides are precision-machined from high quality Manganese Bronze material. Supertech Valve Guides are designed to be used in combination with our low friction black nitrided valves to provide the best solution for both performance and durability. For exhaust valve guides designed to be usded for high powered engines that need a better thermal transfer coefficient, we use a copper alloy guide. Copper has about a 3 times higher thermal transfer than Manganese Bronze. Regardless of your needs supertech has the right valve guide for your application.\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\n\u003cspan\u003eNote:\u003c\/span\u003e for 6mm valves only - Use factory valve stem seal\u003c\/li\u003e\u003c\/ul\u003e\u003cdiv\u003e\n\u003ch3\u003eEngines\u003c\/h3\u003e\n\u003cdiv\u003eMazda - Grand Touring 4cyl 2.3l Turbo MZR\u003c\/div\u003e\n\u003cdiv\u003eMazda - Mazdaspeed 4cyl 2.3l Turbo MZR\u003c\/div\u003e\n\u003cdiv\u003eMazda - Mazdaspeed 4cyl 2.3l Turbo MZR\u003c\/div\u003e\n\u003cdiv\u003eMazda - Sport 4cyl 2.3l Turbo MZR\u003c\/div\u003e\n\u003cdiv\u003eMazda - Touring 4cyl 2.3l Turbo MZR\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48814225457448,"sku":"GDE-DUR16-6MM-MEGADEAL","price":6.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-valve-guide-intake-exhaust-for-mazdaspeed-turbo-mzr-2-3l-11-05mm-x-39-5-98mm-clearance-cams-valvetrain-426.webp?v=1719502584"},{"product_id":"supertech-35-00mm-std-flat-black-nitrited-intake-valve-honda-k24-hivn-1020f-t2","title":"Supertech 35.00mm (std) Flat Black Nitrited Intake Valve Honda K24 - HIVN-1020F-T2","description":"\u003ch2\u003eENGINE VALVE TECHNOLOGY\u003c\/h2\u003e\n\u003cp\u003eWe apply more than 30 years of experience in the development of each and every Supertech racing valve we sell. Combine this experience with state of the art equipment such as ultrasonic tests, x-rays, laser measurement equipment, and applications like computerized Finite Element Analysis (FEA) and it is no wonder why supertech has some of the best performance products on the market.\u003c\/p\u003e\n\u003cp\u003eWhile this is more than most manufacturers we don’t stop there. We also do extensive testing working very closely with many of today's top engine builders in order to continuously improve our products. All of this is meant to insure Supertech's industry leading reputation for high flow rates, durability and uncompromising quality.\u003c\/p\u003e\n\u003ch3\u003eENGINE VALVE MANUFACTURING\u003c\/h3\u003e\n\u003cp\u003eProduction of our racing valves begins with a one piece forging, where the head of the valve is forged under a slow two step process to keep a good material grain flow. The forging is then CNC machined in several steps to ensure the precision of the final dimensions. We then do another heat treatment for stress relieving followed by a nitride hardening treatment (or coating process depending on the application). Lastly, we do one more grinding, followed by our patented Superfinishing of the surface to ensure that each valve is free of any imperfections and the dimensions are precise.\u003c\/p\u003e\n\u003ch3\u003eONE PIECE VALVE\u003c\/h3\u003e\n\u003cp\u003eOur valves are not finished from generic blanks rather they are specifically designed for each and every application. We work relentlessly, testing and researching every aspect trying to improve the air flow of our designs.\u003c\/p\u003e\n\u003ch3\u003eDURABILITY\u003c\/h3\u003e\n\u003cp\u003eWith every valve design we strive to maximize durability through higher fatigue resistance and tensile strength. Each valve tip is hardened beyond 52HRc. \u003c\/p\u003e\n\u003ch3\u003eSTRICT TOLERANCES\u003c\/h3\u003e\n\u003cp\u003eIt’s unlikely you will find any of our competitor’s valves with stricter dimensional tolerances than our Supertech valves. Combine that with finished seats with equally strict run out tolerances and you won’t find a better sealing, better performing and easier to install solution anywhere!\u003c\/p\u003e\n\u003ch3\u003eSUPERFINISH\u003c\/h3\u003e\n\u003cp\u003eIn 2006 we introduced our stem Superfinishing as a standard addition to all of our valves and provided it at no additional cost. When our Superfinish is combined with our Black Nitrided valve it reduces the surface roughness to 1\/3 of our chrome coated valve. The end result… unsurpassed performance and durability.\u003c\/p\u003e\n\u003ch3\u003eHIGHER FLOW RATES\u003c\/h3\u003e\n\u003cp\u003eOptimum high flow rates are achieved by ensuring that our valves are manufactured with the best angles for each application. We consider back cut, under cut and valve head angles for each application to produce the optimum high flow rates for each application.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48958990549288,"sku":"HIVN-1020F-T2","price":29.57,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-35-00mm-std-flat-black-nitrited-intake-valve-honda-k24-hivn-1020f-t2-cams-valvetrain-925.webp?v=1721650575"},{"product_id":"supertech-5-5mm-exhaust-valve-stem-seal-for-honda-d16z6","title":"Supertech 5.5mm Exhaust Valve Stem Seal For Honda D16Z6","description":"\u003cp\u003eSupertech engine valve seals are made high quality materials to ensure that they not only last long but also perform to the best of their ability.\u003c\/p\u003e\u003cp\u003eThis listing uses a stock photo and actual seals may vary depending on application. Sold individually.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48958990582056,"sku":"VS-H5.5E-T24","price":1.51,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-5-5mm-exhaust-valve-stem-seal-for-honda-d16z6-cams-valvetrain-556.webp?v=1749132977"},{"product_id":"supertech-28-00mm-std-black-nitrited-exhaust-valve-race-honda-b16a2-hevn-100f","title":"Supertech 28.00mm (std) Black Nitrited Exhaust Valve - Race Honda B16A2 - HEVN-100F","description":"\u003ch2\u003eENGINE VALVE TECHNOLOGY\u003c\/h2\u003e\n\u003cp\u003eWe apply more than 30 years of experience in the development of each and every Supertech racing valve we sell. Combine this experience with state of the art equipment such as ultrasonic tests, x-rays, laser measurement equipment, and applications like computerized Finite Element Analysis (FEA) and it is no wonder why supertech has some of the best performance products on the market.\u003c\/p\u003e\n\u003cp\u003eWhile this is more than most manufacturers we don’t stop there. We also do extensive testing working very closely with many of today's top engine builders in order to continuously improve our products. All of this is meant to insure Supertech's industry leading reputation for high flow rates, durability and uncompromising quality.\u003c\/p\u003e\n\u003ch3\u003eENGINE VALVE MANUFACTURING\u003c\/h3\u003e\n\u003cp\u003eProduction of our racing valves begins with a one piece forging, where the head of the valve is forged under a slow two step process to keep a good material grain flow. The forging is then CNC machined in several steps to ensure the precision of the final dimensions. We then do another heat treatment for stress relieving followed by a nitride hardening treatment (or coating process depending on the application). Lastly, we do one more grinding, followed by our patented Superfinishing of the surface to ensure that each valve is free of any imperfections and the dimensions are precise.\u003c\/p\u003e\n\u003ch3\u003eONE PIECE VALVE\u003c\/h3\u003e\n\u003cp\u003eOur valves are not finished from generic blanks rather they are specifically designed for each and every application. We work relentlessly, testing and researching every aspect trying to improve the air flow of our designs.\u003c\/p\u003e\n\u003ch3\u003eDURABILITY\u003c\/h3\u003e\n\u003cp\u003eWith every valve design we strive to maximize durability through higher fatigue resistance and tensile strength. Each valve tip is hardened beyond 52HRc. \u003c\/p\u003e\n\u003ch3\u003eSTRICT TOLERANCES\u003c\/h3\u003e\n\u003cp\u003eIt’s unlikely you will find any of our competitor’s valves with stricter dimensional tolerances than our Supertech valves. Combine that with finished seats with equally strict run out tolerances and you won’t find a better sealing, better performing and easier to install solution anywhere!\u003c\/p\u003e\n\u003ch3\u003eSUPERFINISH\u003c\/h3\u003e\n\u003cp\u003eIn 2006 we introduced our stem Superfinishing as a standard addition to all of our valves and provided it at no additional cost. When our Superfinish is combined with our Black Nitrided valve it reduces the surface roughness to 1\/3 of our chrome coated valve. The end result… unsurpassed performance and durability.\u003c\/p\u003e\n\u003ch3\u003eHIGHER FLOW RATES\u003c\/h3\u003e\n\u003cp\u003eOptimum high flow rates are achieved by ensuring that our valves are manufactured with the best angles for each application. We consider back cut, under cut and valve head angles for each application to produce the optimum high flow rates for each application.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48958990614824,"sku":"HEVN-100F","price":27.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-28-00mm-std-black-nitrited-exhaust-valve-race-honda-b16a2-hevn-100f-cams-valvetrain-925.webp?v=1721650697"},{"product_id":"supertech-33-00mm-std-black-nitrited-intake-valve-race-honda-b16a2-hivn-100f","title":"Supertech 33.00mm(std) Black Nitrited Intake Valve - Race Honda B16A2 - HIVN-100F","description":"\u003ch2\u003eENGINE VALVE TECHNOLOGY\u003c\/h2\u003e\n\u003cp\u003eWe apply more than 30 years of experience in the development of each and every Supertech racing valve we sell. Combine this experience with state of the art equipment such as ultrasonic tests, x-rays, laser measurement equipment, and applications like computerized Finite Element Analysis (FEA) and it is no wonder why supertech has some of the best performance products on the market.\u003c\/p\u003e\n\u003cp\u003eWhile this is more than most manufacturers we don’t stop there. We also do extensive testing working very closely with many of today's top engine builders in order to continuously improve our products. All of this is meant to insure Supertech's industry leading reputation for high flow rates, durability and uncompromising quality.\u003c\/p\u003e\n\u003ch3\u003eENGINE VALVE MANUFACTURING\u003c\/h3\u003e\n\u003cp\u003eProduction of our racing valves begins with a one piece forging, where the head of the valve is forged under a slow two step process to keep a good material grain flow. The forging is then CNC machined in several steps to ensure the precision of the final dimensions. We then do another heat treatment for stress relieving followed by a nitride hardening treatment (or coating process depending on the application). Lastly, we do one more grinding, followed by our patented Superfinishing of the surface to ensure that each valve is free of any imperfections and the dimensions are precise.\u003c\/p\u003e\n\u003ch3\u003eONE PIECE VALVE\u003c\/h3\u003e\n\u003cp\u003eOur valves are not finished from generic blanks rather they are specifically designed for each and every application. We work relentlessly, testing and researching every aspect trying to improve the air flow of our designs.\u003c\/p\u003e\n\u003ch3\u003eDURABILITY\u003c\/h3\u003e\n\u003cp\u003eWith every valve design we strive to maximize durability through higher fatigue resistance and tensile strength. Each valve tip is hardened beyond 52HRc. \u003c\/p\u003e\n\u003ch3\u003eSTRICT TOLERANCES\u003c\/h3\u003e\n\u003cp\u003eIt’s unlikely you will find any of our competitor’s valves with stricter dimensional tolerances than our Supertech valves. Combine that with finished seats with equally strict run out tolerances and you won’t find a better sealing, better performing and easier to install solution anywhere!\u003c\/p\u003e\n\u003ch3\u003eSUPERFINISH\u003c\/h3\u003e\n\u003cp\u003eIn 2006 we introduced our stem Superfinishing as a standard addition to all of our valves and provided it at no additional cost. When our Superfinish is combined with our Black Nitrided valve it reduces the surface roughness to 1\/3 of our chrome coated valve. The end result… unsurpassed performance and durability.\u003c\/p\u003e\n\u003ch3\u003eHIGHER FLOW RATES\u003c\/h3\u003e\n\u003cp\u003eOptimum high flow rates are achieved by ensuring that our valves are manufactured with the best angles for each application. We consider back cut, under cut and valve head angles for each application to produce the optimum high flow rates for each application.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48958990680360,"sku":"HIVN-100F","price":28.34,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-33-00mm-std-black-nitrited-intake-valve-race-honda-b16a2-hivn-100f-cams-valvetrain-591.webp?v=1721650625"},{"product_id":"supertech-5-5mm-valve-stem-seal-for-honda-b16a2","title":"Supertech 5.5mm Valve Stem Seal For Honda B16A2","description":"\u003cp\u003eSupertech engine valve seals are made high quality materials to ensure that they not only last long but also perform to the best of their ability.\u003c\/p\u003e\u003cp\u003eThis listing uses a stock photo and actual seals may vary depending on application. Sold individually.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Exhaust Valve Seal","offer_id":48958990647592,"sku":"VS-H5.5E-T7","price":1.51,"currency_code":"GBP","in_stock":true},{"title":"Intake Valve Seal","offer_id":48958990778664,"sku":"VS-H5.5I-T7","price":1.06,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-5-5mm-valve-stem-seal-for-honda-b16a2-cams-valvetrain-508.webp?v=1749132988"},{"product_id":"supertech-33-00mm-std-black-nitrited-intake-valve-race-honda-b18c5-hivn-100f-t4","title":"Supertech 33.00mm(std) Black Nitrited Intake Valve - Race Honda B18C5 - HIVN-100F-T4","description":"\u003ch2\u003eENGINE VALVE TECHNOLOGY\u003c\/h2\u003e\n\u003cp\u003eWe apply more than 30 years of experience in the development of each and every Supertech racing valve we sell. Combine this experience with state of the art equipment such as ultrasonic tests, x-rays, laser measurement equipment, and applications like computerized Finite Element Analysis (FEA) and it is no wonder why supertech has some of the best performance products on the market.\u003c\/p\u003e\n\u003cp\u003eWhile this is more than most manufacturers we don’t stop there. We also do extensive testing working very closely with many of today's top engine builders in order to continuously improve our products. All of this is meant to insure Supertech's industry leading reputation for high flow rates, durability and uncompromising quality.\u003c\/p\u003e\n\u003ch3\u003eENGINE VALVE MANUFACTURING\u003c\/h3\u003e\n\u003cp\u003eProduction of our racing valves begins with a one piece forging, where the head of the valve is forged under a slow two step process to keep a good material grain flow. The forging is then CNC machined in several steps to ensure the precision of the final dimensions. We then do another heat treatment for stress relieving followed by a nitride hardening treatment (or coating process depending on the application). Lastly, we do one more grinding, followed by our patented Superfinishing of the surface to ensure that each valve is free of any imperfections and the dimensions are precise.\u003c\/p\u003e\n\u003ch3\u003eONE PIECE VALVE\u003c\/h3\u003e\n\u003cp\u003eOur valves are not finished from generic blanks rather they are specifically designed for each and every application. We work relentlessly, testing and researching every aspect trying to improve the air flow of our designs.\u003c\/p\u003e\n\u003ch3\u003eDURABILITY\u003c\/h3\u003e\n\u003cp\u003eWith every valve design we strive to maximize durability through higher fatigue resistance and tensile strength. Each valve tip is hardened beyond 52HRc. \u003c\/p\u003e\n\u003ch3\u003eSTRICT TOLERANCES\u003c\/h3\u003e\n\u003cp\u003eIt’s unlikely you will find any of our competitor’s valves with stricter dimensional tolerances than our Supertech valves. Combine that with finished seats with equally strict run out tolerances and you won’t find a better sealing, better performing and easier to install solution anywhere!\u003c\/p\u003e\n\u003ch3\u003eSUPERFINISH\u003c\/h3\u003e\n\u003cp\u003eIn 2006 we introduced our stem Superfinishing as a standard addition to all of our valves and provided it at no additional cost. When our Superfinish is combined with our Black Nitrided valve it reduces the surface roughness to 1\/3 of our chrome coated valve. The end result… unsurpassed performance and durability.\u003c\/p\u003e\n\u003ch3\u003eHIGHER FLOW RATES\u003c\/h3\u003e\n\u003cp\u003eOptimum high flow rates are achieved by ensuring that our valves are manufactured with the best angles for each application. We consider back cut, under cut and valve head angles for each application to produce the optimum high flow rates for each application.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48958990713128,"sku":"HIVN-100F-T4","price":28.34,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-33-00mm-std-black-nitrited-intake-valve-race-honda-b18c5-hivn-100f-t4-cams-valvetrain-955.webp?v=1721650590"},{"product_id":"supertech-dual-valve-spring-kit-80lbs-at-40-4mm-honda-k24","title":"Supertech Dual Valve Spring Kit 80lbs at 40.4mm Honda K24","description":"\u003cp\u003eAll Supertech valve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher performance \u0026amp; durability at high rpms. Using high quality steel alloy allso provides the added benefit of better structural memory for all of our springs.\u003c\/p\u003e\n\n\u003cp\u003eOur valve springs are computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue. We also utalize computer software that allows us to ensure that the harmonics are under control. This combined with our high quality steel alloy enables supertech valve springs to be more durable in extreme conditions, giving your performance racing engine a serious competitive advantage in both perforamnce and durablity.\u003c\/p\u003e\n\n\u003cp\u003eSupertech retainers are manufactured with high quality military certified Titanium alloy, and are CNC machined for a tight fit. Our high quality retainers are among the best in the industry.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"80lbs at 40.4mm","offer_id":48958990745896,"sku":"SPRK-H1022D-T1","price":752.33,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-dual-valve-spring-kit-80lbs-at-40-4mm-honda-k24-cams-valvetrain-175.webp?v=1721650690"},{"product_id":"supertech-dual-valve-spring-kit-73lbs-at-35mm-nissan-ca18det","title":"Supertech Dual Valve Spring Kit 73lbs at 35mm Nissan CA18DET","description":"\u003cp\u003eAll Supertech valve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher performance \u0026amp; durability at high rpms. Using high quality steel alloy allso provides the added benefit of better structural memory for all of our springs.\u003c\/p\u003e\n\n\u003cp\u003eOur valve springs are computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue. We also utalize computer software that allows us to ensure that the harmonics are under control. This combined with our high quality steel alloy enables supertech valve springs to be more durable in extreme conditions, giving your performance racing engine a serious competitive advantage in both perforamnce and durablity.\u003c\/p\u003e\n\n\u003cp\u003eSupertech retainers are manufactured with high quality military certified Titanium alloy, and are CNC machined for a tight fit. Our high quality retainers are among the best in the industry.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48958990811432,"sku":"SPRK-TS1012-NCA","price":726.78,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-dual-valve-spring-kit-73lbs-at-35mm-nissan-ca18det-cams-valvetrain-843.webp?v=1721650642"},{"product_id":"supertech-5-5mm-valve-stem-seal-for-honda-k20","title":"Supertech 5.5mm Valve Stem Seal For Honda K20","description":"\u003cp\u003eSupertech engine valve seals are made high quality materials to ensure that they not only last long but also perform to the best of their ability.\u003c\/p\u003e\u003cp\u003eThis listing uses a stock photo and actual seals may vary depending on application. Sold individually.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Intake Valve Seal","offer_id":48958990844200,"sku":"VS-H5.5I-T5","price":1.06,"currency_code":"GBP","in_stock":true},{"title":"Exhaust Valve Seal","offer_id":48958990876968,"sku":"VS-H5.5E-T5","price":1.51,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-5-5mm-valve-stem-seal-for-honda-k20-cams-valvetrain-178.webp?v=1749132981"},{"product_id":"supertech-5-5mm-valve-lock-7-degrees-2-per-valve-honda-k20","title":"Supertech 5.5mm Valve Lock - 7 degrees (2 per valve) Honda K20","description":"\u003cp\u003eSupertech valve keepers (also known as collets) are precision machined using high quality material to give a finished product worthy of Supertech's established reputation.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48958990909736,"sku":"KPR-5.5\/7A-ST","price":3.86,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-5-5mm-valve-lock-7-degrees-2-per-honda-k20-cams-valvetrain-227.webp?v=1749472867"},{"product_id":"supertech-dual-valve-spring-kit-85lbs-at-33-5mm-honda-b16a2","title":"Supertech Dual Valve Spring Kit 85lbs at 33.5mm Honda B16A2","description":"\u003cp\u003eAll Supertech valve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher performance \u0026amp; durability at high rpms. Using high quality steel alloy allso provides the added benefit of better structural memory for all of our springs.\u003c\/p\u003e\n\n\u003cp\u003eOur valve springs are computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue. We also utalize computer software that allows us to ensure that the harmonics are under control. This combined with our high quality steel alloy enables supertech valve springs to be more durable in extreme conditions, giving your performance racing engine a serious competitive advantage in both perforamnce and durablity.\u003c\/p\u003e\n\n\u003cp\u003eSupertech retainers are manufactured with high quality military certified Titanium alloy, and are CNC machined for a tight fit. Our high quality retainers are among the best in the industry.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48958991073576,"sku":"SPRK-H100DR-T3","price":635.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-dual-valve-spring-kit-85lbs-at-33-5mm-honda-b16a2-cams-valvetrain-366.webp?v=1721650602"},{"product_id":"supertech-34-00mm-1-flat-black-nitrited-intake-valve-honda-b16a2-hivn-1001f","title":"Supertech 34.00mm (+1) Flat Black Nitrited Intake Valve Honda B16A2 - HIVN-1001F","description":"\u003ch2\u003eENGINE VALVE TECHNOLOGY\u003c\/h2\u003e\n\u003cp\u003eWe apply more than 30 years of experience in the development of each and every Supertech racing valve we sell. Combine this experience with state of the art equipment such as ultrasonic tests, x-rays, laser measurement equipment, and applications like computerized Finite Element Analysis (FEA) and it is no wonder why supertech has some of the best performance products on the market.\u003c\/p\u003e\n\u003cp\u003eWhile this is more than most manufacturers we don’t stop there. We also do extensive testing working very closely with many of today's top engine builders in order to continuously improve our products. All of this is meant to insure Supertech's industry leading reputation for high flow rates, durability and uncompromising quality.\u003c\/p\u003e\n\u003ch3\u003eENGINE VALVE MANUFACTURING\u003c\/h3\u003e\n\u003cp\u003eProduction of our racing valves begins with a one piece forging, where the head of the valve is forged under a slow two step process to keep a good material grain flow. The forging is then CNC machined in several steps to ensure the precision of the final dimensions. We then do another heat treatment for stress relieving followed by a nitride hardening treatment (or coating process depending on the application). Lastly, we do one more grinding, followed by our patented Superfinishing of the surface to ensure that each valve is free of any imperfections and the dimensions are precise.\u003c\/p\u003e\n\u003ch3\u003eONE PIECE VALVE\u003c\/h3\u003e\n\u003cp\u003eOur valves are not finished from generic blanks rather they are specifically designed for each and every application. We work relentlessly, testing and researching every aspect trying to improve the air flow of our designs.\u003c\/p\u003e\n\u003ch3\u003eDURABILITY\u003c\/h3\u003e\n\u003cp\u003eWith every valve design we strive to maximize durability through higher fatigue resistance and tensile strength. Each valve tip is hardened beyond 52HRc. \u003c\/p\u003e\n\u003ch3\u003eSTRICT TOLERANCES\u003c\/h3\u003e\n\u003cp\u003eIt’s unlikely you will find any of our competitor’s valves with stricter dimensional tolerances than our Supertech valves. Combine that with finished seats with equally strict run out tolerances and you won’t find a better sealing, better performing and easier to install solution anywhere!\u003c\/p\u003e\n\u003ch3\u003eSUPERFINISH\u003c\/h3\u003e\n\u003cp\u003eIn 2006 we introduced our stem Superfinishing as a standard addition to all of our valves and provided it at no additional cost. When our Superfinish is combined with our Black Nitrided valve it reduces the surface roughness to 1\/3 of our chrome coated valve. The end result… unsurpassed performance and durability.\u003c\/p\u003e\n\u003ch3\u003eHIGHER FLOW RATES\u003c\/h3\u003e\n\u003cp\u003eOptimum high flow rates are achieved by ensuring that our valves are manufactured with the best angles for each application. We consider back cut, under cut and valve head angles for each application to produce the optimum high flow rates for each application.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48958990942504,"sku":"HIVN-1001F","price":28.34,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-34-00mm-1-flat-black-nitrited-intake-valve-honda-b16a2-hivn-1001f-cams-valvetrain-478.webp?v=1721650585"},{"product_id":"supertech-titanium-retainer-for-h1000-series-springs-honda-honda-k20a2","title":"Supertech Titanium retainer for H1000 series springs Honda Honda K20A2","description":"\u003cp\u003eSupertech retainers are CNC machined with strict tolerances and high quality material to give the best performance and durability.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48958991008040,"sku":"RET-K20A2-T2","price":20.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-titanium-retainer-for-h1000-series-springs-honda-k20a2-cams-valvetrain-470.webp?v=1721650588"},{"product_id":"supertech-30-00mm-std-flat-black-nitrited-exhaust-valve-honda-k24-hevn-1020f-t2","title":"Supertech 30.00mm (std) Flat Black Nitrited Exhaust Valve Honda K24 - HEVN-1020F-T2","description":"\u003ch2\u003eENGINE VALVE TECHNOLOGY\u003c\/h2\u003e\n\u003cp\u003eWe apply more than 30 years of experience in the development of each and every Supertech racing valve we sell. Combine this experience with state of the art equipment such as ultrasonic tests, x-rays, laser measurement equipment, and applications like computerized Finite Element Analysis (FEA) and it is no wonder why supertech has some of the best performance products on the market.\u003c\/p\u003e\n\u003cp\u003eWhile this is more than most manufacturers we don’t stop there. We also do extensive testing working very closely with many of today's top engine builders in order to continuously improve our products. All of this is meant to insure Supertech's industry leading reputation for high flow rates, durability and uncompromising quality.\u003c\/p\u003e\n\u003ch3\u003eENGINE VALVE MANUFACTURING\u003c\/h3\u003e\n\u003cp\u003eProduction of our racing valves begins with a one piece forging, where the head of the valve is forged under a slow two step process to keep a good material grain flow. The forging is then CNC machined in several steps to ensure the precision of the final dimensions. We then do another heat treatment for stress relieving followed by a nitride hardening treatment (or coating process depending on the application). Lastly, we do one more grinding, followed by our patented Superfinishing of the surface to ensure that each valve is free of any imperfections and the dimensions are precise.\u003c\/p\u003e\n\u003ch3\u003eONE PIECE VALVE\u003c\/h3\u003e\n\u003cp\u003eOur valves are not finished from generic blanks rather they are specifically designed for each and every application. We work relentlessly, testing and researching every aspect trying to improve the air flow of our designs.\u003c\/p\u003e\n\u003ch3\u003eDURABILITY\u003c\/h3\u003e\n\u003cp\u003eWith every valve design we strive to maximize durability through higher fatigue resistance and tensile strength. Each valve tip is hardened beyond 52HRc. \u003c\/p\u003e\n\u003ch3\u003eSTRICT TOLERANCES\u003c\/h3\u003e\n\u003cp\u003eIt’s unlikely you will find any of our competitor’s valves with stricter dimensional tolerances than our Supertech valves. Combine that with finished seats with equally strict run out tolerances and you won’t find a better sealing, better performing and easier to install solution anywhere!\u003c\/p\u003e\n\u003ch3\u003eSUPERFINISH\u003c\/h3\u003e\n\u003cp\u003eIn 2006 we introduced our stem Superfinishing as a standard addition to all of our valves and provided it at no additional cost. When our Superfinish is combined with our Black Nitrided valve it reduces the surface roughness to 1\/3 of our chrome coated valve. The end result… unsurpassed performance and durability.\u003c\/p\u003e\n\u003ch3\u003eHIGHER FLOW RATES\u003c\/h3\u003e\n\u003cp\u003eOptimum high flow rates are achieved by ensuring that our valves are manufactured with the best angles for each application. We consider back cut, under cut and valve head angles for each application to produce the optimum high flow rates for each application.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48958990975272,"sku":"HEVN-1020F-T2","price":29.06,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-30-00mm-std-flat-black-nitrited-exhaust-valve-honda-k24-hevn-1020f-t2-cams-valvetrain-571.webp?v=1721650576"},{"product_id":"supertech-5-5mm-valve-stem-seal-for-honda-k24","title":"Supertech 5.5mm Valve Stem Seal For Honda K24","description":"\u003cp\u003eSupertech engine valve seals are made high quality materials to ensure that they not only last long but also perform to the best of their ability.\u003c\/p\u003e\u003cp\u003eThis listing uses a stock photo and actual seals may vary depending on application. Sold individually.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Exhaust Valve Seal","offer_id":48958991171880,"sku":"VS-H5.5E-T6","price":1.51,"currency_code":"GBP","in_stock":true},{"title":"Intake Valve Seal","offer_id":48958991335720,"sku":"VS-H5.5I-T6","price":1.06,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-5-5mm-valve-stem-seal-for-honda-k24-cams-valvetrain-799.webp?v=1749221658"},{"product_id":"supertech-35-00mm-std-dish-black-nitrited-intake-valve-honda-k20-hivn-1020d","title":"Supertech 35.00mm (std) Dish Black Nitrited Intake Valve Honda K20 - HIVN-1020D","description":"\u003ch2\u003eENGINE VALVE TECHNOLOGY\u003c\/h2\u003e\n\u003cp\u003eWe apply more than 30 years of experience in the development of each and every Supertech racing valve we sell. Combine this experience with state of the art equipment such as ultrasonic tests, x-rays, laser measurement equipment, and applications like computerized Finite Element Analysis (FEA) and it is no wonder why supertech has some of the best performance products on the market.\u003c\/p\u003e\n\u003cp\u003eWhile this is more than most manufacturers we don’t stop there. We also do extensive testing working very closely with many of today's top engine builders in order to continuously improve our products. All of this is meant to insure Supertech's industry leading reputation for high flow rates, durability and uncompromising quality.\u003c\/p\u003e\n\u003ch3\u003eENGINE VALVE MANUFACTURING\u003c\/h3\u003e\n\u003cp\u003eProduction of our racing valves begins with a one piece forging, where the head of the valve is forged under a slow two step process to keep a good material grain flow. The forging is then CNC machined in several steps to ensure the precision of the final dimensions. We then do another heat treatment for stress relieving followed by a nitride hardening treatment (or coating process depending on the application). Lastly, we do one more grinding, followed by our patented Superfinishing of the surface to ensure that each valve is free of any imperfections and the dimensions are precise.\u003c\/p\u003e\n\u003ch3\u003eONE PIECE VALVE\u003c\/h3\u003e\n\u003cp\u003eOur valves are not finished from generic blanks rather they are specifically designed for each and every application. We work relentlessly, testing and researching every aspect trying to improve the air flow of our designs.\u003c\/p\u003e\n\u003ch3\u003eDURABILITY\u003c\/h3\u003e\n\u003cp\u003eWith every valve design we strive to maximize durability through higher fatigue resistance and tensile strength. Each valve tip is hardened beyond 52HRc. \u003c\/p\u003e\n\u003ch3\u003eSTRICT TOLERANCES\u003c\/h3\u003e\n\u003cp\u003eIt’s unlikely you will find any of our competitor’s valves with stricter dimensional tolerances than our Supertech valves. Combine that with finished seats with equally strict run out tolerances and you won’t find a better sealing, better performing and easier to install solution anywhere!\u003c\/p\u003e\n\u003ch3\u003eSUPERFINISH\u003c\/h3\u003e\n\u003cp\u003eIn 2006 we introduced our stem Superfinishing as a standard addition to all of our valves and provided it at no additional cost. When our Superfinish is combined with our Black Nitrided valve it reduces the surface roughness to 1\/3 of our chrome coated valve. The end result… unsurpassed performance and durability.\u003c\/p\u003e\n\u003ch3\u003eHIGHER FLOW RATES\u003c\/h3\u003e\n\u003cp\u003eOptimum high flow rates are achieved by ensuring that our valves are manufactured with the best angles for each application. We consider back cut, under cut and valve head angles for each application to produce the optimum high flow rates for each application.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48958991040808,"sku":"HIVN-1020D","price":29.57,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-35-00mm-std-dish-black-nitrited-intake-valve-honda-k20-hivn-1020d-cams-valvetrain-174.webp?v=1721650697"},{"product_id":"supertech-5-5mm-valve-lock-7-degrees-2-per-valve-honda-b18c5","title":"Supertech 5.5mm Valve Lock - 7 degrees (2 per valve) Honda B18C5","description":"\u003cp\u003eSupertech valve keepers (also known as collets) are precision machined using high quality material to give a finished product worthy of Supertech's established reputation.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Intake","offer_id":48958991204648,"sku":"KPR-5.5\/7A-ST","price":3.86,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-5-5mm-valve-lock-7-degrees-2-per-honda-b18c5-intake-cams-valvetrain-225.webp?v=1749472814"},{"product_id":"supertech-5-5mm-valve-lock-7-degrees-2-per-valve-honda-h22a1","title":"Supertech 5.5mm Valve Lock - 7 degrees (2 per valve) Honda H22A1","description":"\u003cp\u003eSupertech valve keepers (also known as collets) are precision machined using high quality material to give a finished product worthy of Supertech's established reputation.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48958991106344,"sku":"KPR-5.5\/7A-ST","price":3.86,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-5-5mm-valve-lock-7-degrees-2-per-honda-h22a1-cams-valvetrain-440.webp?v=1749472851"},{"product_id":"supertech-5-5mm-exhaust-valve-stem-seal-for-honda-b18c5","title":"Supertech 5.5mm Exhaust Valve Stem Seal For Honda B18C5","description":"\u003cp\u003eSupertech engine valve seals are made high quality materials to ensure that they not only last long but also perform to the best of their ability.\u003c\/p\u003e\u003cp\u003eThis listing uses a stock photo and actual seals may vary depending on application. Sold individually.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48958991237416,"sku":"VS-H5.5E-T1","price":1.51,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-5-5mm-exhaust-valve-stem-seal-for-honda-b18c5-cams-valvetrain-408.webp?v=1749221649"},{"product_id":"supertech-28-00mm-std-black-nitrited-exhaust-valve-oem-honda-b18c5-hevn-200f-t4","title":"Supertech 28.00mm (std) Black Nitrited Exhaust Valve - OEM Honda B18C5 - HEVN-200F-T4","description":"\u003ch2\u003eENGINE VALVE TECHNOLOGY\u003c\/h2\u003e\n\u003cp\u003eWe apply more than 30 years of experience in the development of each and every Supertech racing valve we sell. Combine this experience with state of the art equipment such as ultrasonic tests, x-rays, laser measurement equipment, and applications like computerized Finite Element Analysis (FEA) and it is no wonder why supertech has some of the best performance products on the market.\u003c\/p\u003e\n\u003cp\u003eWhile this is more than most manufacturers we don’t stop there. We also do extensive testing working very closely with many of today's top engine builders in order to continuously improve our products. All of this is meant to insure Supertech's industry leading reputation for high flow rates, durability and uncompromising quality.\u003c\/p\u003e\n\u003ch3\u003eENGINE VALVE MANUFACTURING\u003c\/h3\u003e\n\u003cp\u003eProduction of our racing valves begins with a one piece forging, where the head of the valve is forged under a slow two step process to keep a good material grain flow. The forging is then CNC machined in several steps to ensure the precision of the final dimensions. We then do another heat treatment for stress relieving followed by a nitride hardening treatment (or coating process depending on the application). Lastly, we do one more grinding, followed by our patented Superfinishing of the surface to ensure that each valve is free of any imperfections and the dimensions are precise.\u003c\/p\u003e\n\u003ch3\u003eONE PIECE VALVE\u003c\/h3\u003e\n\u003cp\u003eOur valves are not finished from generic blanks rather they are specifically designed for each and every application. We work relentlessly, testing and researching every aspect trying to improve the air flow of our designs.\u003c\/p\u003e\n\u003ch3\u003eDURABILITY\u003c\/h3\u003e\n\u003cp\u003eWith every valve design we strive to maximize durability through higher fatigue resistance and tensile strength. Each valve tip is hardened beyond 52HRc. \u003c\/p\u003e\n\u003ch3\u003eSTRICT TOLERANCES\u003c\/h3\u003e\n\u003cp\u003eIt’s unlikely you will find any of our competitor’s valves with stricter dimensional tolerances than our Supertech valves. Combine that with finished seats with equally strict run out tolerances and you won’t find a better sealing, better performing and easier to install solution anywhere!\u003c\/p\u003e\n\u003ch3\u003eSUPERFINISH\u003c\/h3\u003e\n\u003cp\u003eIn 2006 we introduced our stem Superfinishing as a standard addition to all of our valves and provided it at no additional cost. When our Superfinish is combined with our Black Nitrided valve it reduces the surface roughness to 1\/3 of our chrome coated valve. The end result… unsurpassed performance and durability.\u003c\/p\u003e\n\u003ch3\u003eHIGHER FLOW RATES\u003c\/h3\u003e\n\u003cp\u003eOptimum high flow rates are achieved by ensuring that our valves are manufactured with the best angles for each application. We consider back cut, under cut and valve head angles for each application to produce the optimum high flow rates for each application.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48958991139112,"sku":"HEVN-200F-T4","price":18.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-28-00mm-std-black-nitrited-exhaust-valve-oem-honda-b18c5-hevn-200f-t4-cams-valvetrain-476.webp?v=1721650593"},{"product_id":"supertech-30-00mm-std-dish-inconel-exhaust-valve-honda-k20-hevi-1020d","title":"Supertech 30.00mm (std) Dish Inconel Exhaust Valve Honda K20 - HEVI-1020D","description":"\u003ch2\u003eENGINE VALVE TECHNOLOGY\u003c\/h2\u003e\n\u003cp\u003eWe apply more than 30 years of experience in the development of each and every Supertech racing valve we sell. Combine this experience with state of the art equipment such as ultrasonic tests, x-rays, laser measurement equipment, and applications like computerized Finite Element Analysis (FEA) and it is no wonder why supertech has some of the best performance products on the market.\u003c\/p\u003e\n\u003cp\u003eWhile this is more than most manufacturers we don’t stop there. We also do extensive testing working very closely with many of today's top engine builders in order to continuously improve our products. All of this is meant to insure Supertech's industry leading reputation for high flow rates, durability and uncompromising quality.\u003c\/p\u003e\n\u003ch3\u003eENGINE VALVE MANUFACTURING\u003c\/h3\u003e\n\u003cp\u003eProduction of our racing valves begins with a one piece forging, where the head of the valve is forged under a slow two step process to keep a good material grain flow. The forging is then CNC machined in several steps to ensure the precision of the final dimensions. We then do another heat treatment for stress relieving followed by a nitride hardening treatment (or coating process depending on the application). Lastly, we do one more grinding, followed by our patented Superfinishing of the surface to ensure that each valve is free of any imperfections and the dimensions are precise.\u003c\/p\u003e\n\u003ch3\u003eONE PIECE VALVE\u003c\/h3\u003e\n\u003cp\u003eOur valves are not finished from generic blanks rather they are specifically designed for each and every application. We work relentlessly, testing and researching every aspect trying to improve the air flow of our designs.\u003c\/p\u003e\n\u003ch3\u003eDURABILITY\u003c\/h3\u003e\n\u003cp\u003eWith every valve design we strive to maximize durability through higher fatigue resistance and tensile strength. Each valve tip is hardened beyond 52HRc. \u003c\/p\u003e\n\u003ch3\u003eSTRICT TOLERANCES\u003c\/h3\u003e\n\u003cp\u003eIt’s unlikely you will find any of our competitor’s valves with stricter dimensional tolerances than our Supertech valves. Combine that with finished seats with equally strict run out tolerances and you won’t find a better sealing, better performing and easier to install solution anywhere!\u003c\/p\u003e\n\u003ch3\u003eSUPERFINISH\u003c\/h3\u003e\n\u003cp\u003eIn 2006 we introduced our stem Superfinishing as a standard addition to all of our valves and provided it at no additional cost. When our Superfinish is combined with our Black Nitrided valve it reduces the surface roughness to 1\/3 of our chrome coated valve. The end result… unsurpassed performance and durability.\u003c\/p\u003e\n\u003ch3\u003eHIGHER FLOW RATES\u003c\/h3\u003e\n\u003cp\u003eOptimum high flow rates are achieved by ensuring that our valves are manufactured with the best angles for each application. We consider back cut, under cut and valve head angles for each application to produce the optimum high flow rates for each application.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48958992154920,"sku":"HEVI-1020D","price":43.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-30-00mm-std-dish-inconel-exhaust-valve-honda-k20-hevi-1020d-cams-valvetrain-687.webp?v=1752751451"},{"product_id":"supertech-valve-guide-exhaust-nissan-sr20det-rb26-7-mm-stem-manganese-bronze","title":"Supertech Valve Guide Exhaust Nissan SR20DET\/RB26 7 mm stem Manganese Bronze","description":"\u003cp\u003eOur Valve Guides are precision-machined from high quality Manganese Bronze material. Supertech Valve Guides are designed to be used in combination with our low friction black nitrided valves to provide the best solution for both performance and durability. For exhaust valve guides designed to be usded for high powered engines that need a better thermal transfer coefficient, we use a copper alloy guide. Copper has about a 3 times higher thermal transfer than Manganese Bronze. Regardless of your needs supertech has the right valve guide for your application.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eOuter Diameter:\u003c\/span\u003e 11.03mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eInner Diamter :\u003c\/span\u003e 7mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\n\u003ch3\u003eEngines\u003c\/h3\u003e\n\u003cdiv\u003eNissan - Gtir 4cyl 2.0l Turbo SR20DET\u003c\/div\u003e\n\u003cdiv\u003eNissan - GTR 6cyl 2.6l Turbo RB26DETT\u003c\/div\u003e\n\u003cdiv\u003eNissan - S13 4cyl 2.0l Turbo SR20DET\u003c\/div\u003e\n\u003cdiv\u003eNissan - S13 4cyl 2.0l Turbo SR20DET\u003c\/div\u003e\n\u003cdiv\u003eNissan - S14 4cyl 2.0l Turbo SR20DET\u003c\/div\u003e\n\u003cdiv\u003eNissan - S15 4cyl 2.0l Turbo SR20DET\u003c\/div\u003e\n\u003cdiv\u003eNissan - SE 4cyl 2.0l SR20DE\u003c\/div\u003e\n\u003cdiv\u003eNissan - SE 4cyl 2.0l SR20DE\u003c\/div\u003e\n\u003cdiv\u003eNissan - Se-r 4cyl 2.0l SR20DE\u003c\/div\u003e\n\u003cdiv\u003eNissan - Se-r 4cyl 2.0l SR20DE\u003c\/div\u003e\n\u003cdiv\u003eNissan - U12 4cyl 2.0l Turbo SR20DET\u003c\/div\u003e\n\u003cdiv\u003eNissan - U13 4cyl 2.0l Turbo SR20DET\u003c\/div\u003e\n\u003cdiv\u003eNissan - XE 4cyl 2.0l SR20DE\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48958991270184,"sku":"GDE-NSR7-ET","price":11.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-valve-guide-exhaust-nissan-sr20det-rb26-7-mm-stem-manganese-bronze-cams-valvetrain-612.webp?v=1721650579"},{"product_id":"supertech-block-guard-honda-k-series-k24","title":"Supertech Block Guard Honda K-Series K24","description":"\u003cp\u003eOur Supertech Block Guards are meticulously designed and tested in many engines. As a result we offer a product that will provide support to highly stressed cylinder walls with optimal engine cooling by allowing enough water flow in critical areas to avoid destructive cylinder hot spots. Our block guards are made from high strength, high corrosion resistanct 6061 aluminum alloy. All of our block guards are computer designed and CNC machined ensuring the best possible fit and making installation a breeze.\u003c\/p\u003e\n\u003cp\u003eSupertech block guards are amoung the best in the industry and designed to work with all of our valvetrain components.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48958991302952,"sku":"ST-BG-K24","price":175.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-block-guard-honda-k-series-k24-cams-valvetrain-843.webp?v=1721650656"},{"product_id":"supertech-35-00mm-std-flat-black-nitrited-intake-valve-honda-k20-hivn-1020f","title":"Supertech 35.00mm (std) Flat Black Nitrited Intake Valve Honda K20 - HIVN-1020F","description":"\u003ch2\u003eENGINE VALVE TECHNOLOGY\u003c\/h2\u003e\n\u003cp\u003eWe apply more than 30 years of experience in the development of each and every Supertech racing valve we sell. Combine this experience with state of the art equipment such as ultrasonic tests, x-rays, laser measurement equipment, and applications like computerized Finite Element Analysis (FEA) and it is no wonder why supertech has some of the best performance products on the market.\u003c\/p\u003e\n\u003cp\u003eWhile this is more than most manufacturers we don’t stop there. We also do extensive testing working very closely with many of today's top engine builders in order to continuously improve our products. All of this is meant to insure Supertech's industry leading reputation for high flow rates, durability and uncompromising quality.\u003c\/p\u003e\n\u003ch3\u003eENGINE VALVE MANUFACTURING\u003c\/h3\u003e\n\u003cp\u003eProduction of our racing valves begins with a one piece forging, where the head of the valve is forged under a slow two step process to keep a good material grain flow. The forging is then CNC machined in several steps to ensure the precision of the final dimensions. We then do another heat treatment for stress relieving followed by a nitride hardening treatment (or coating process depending on the application). Lastly, we do one more grinding, followed by our patented Superfinishing of the surface to ensure that each valve is free of any imperfections and the dimensions are precise.\u003c\/p\u003e\n\u003ch3\u003eONE PIECE VALVE\u003c\/h3\u003e\n\u003cp\u003eOur valves are not finished from generic blanks rather they are specifically designed for each and every application. We work relentlessly, testing and researching every aspect trying to improve the air flow of our designs.\u003c\/p\u003e\n\u003ch3\u003eDURABILITY\u003c\/h3\u003e\n\u003cp\u003eWith every valve design we strive to maximize durability through higher fatigue resistance and tensile strength. Each valve tip is hardened beyond 52HRc. \u003c\/p\u003e\n\u003ch3\u003eSTRICT TOLERANCES\u003c\/h3\u003e\n\u003cp\u003eIt’s unlikely you will find any of our competitor’s valves with stricter dimensional tolerances than our Supertech valves. Combine that with finished seats with equally strict run out tolerances and you won’t find a better sealing, better performing and easier to install solution anywhere!\u003c\/p\u003e\n\u003ch3\u003eSUPERFINISH\u003c\/h3\u003e\n\u003cp\u003eIn 2006 we introduced our stem Superfinishing as a standard addition to all of our valves and provided it at no additional cost. When our Superfinish is combined with our Black Nitrided valve it reduces the surface roughness to 1\/3 of our chrome coated valve. The end result… unsurpassed performance and durability.\u003c\/p\u003e\n\u003ch3\u003eHIGHER FLOW RATES\u003c\/h3\u003e\n\u003cp\u003eOptimum high flow rates are achieved by ensuring that our valves are manufactured with the best angles for each application. We consider back cut, under cut and valve head angles for each application to produce the optimum high flow rates for each application.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48958991892776,"sku":"HIVN-1020F","price":29.57,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-35-00mm-std-flat-black-nitrited-intake-valve-honda-k20-hivn-1020f-cams-valvetrain-492.webp?v=1752502692"},{"product_id":"supertech-30-00mm-std-flat-black-nitrited-exhaust-valve-honda-k20-hevn-1020f","title":"Supertech 30.00mm (std) Flat Black Nitrited Exhaust Valve Honda K20 - HEVN-1020F","description":"\u003ch2\u003eENGINE VALVE TECHNOLOGY\u003c\/h2\u003e\n\u003cp\u003eWe apply more than 30 years of experience in the development of each and every Supertech racing valve we sell. Combine this experience with state of the art equipment such as ultrasonic tests, x-rays, laser measurement equipment, and applications like computerized Finite Element Analysis (FEA) and it is no wonder why supertech has some of the best performance products on the market.\u003c\/p\u003e\n\u003cp\u003eWhile this is more than most manufacturers we don’t stop there. We also do extensive testing working very closely with many of today's top engine builders in order to continuously improve our products. All of this is meant to insure Supertech's industry leading reputation for high flow rates, durability and uncompromising quality.\u003c\/p\u003e\n\u003ch3\u003eENGINE VALVE MANUFACTURING\u003c\/h3\u003e\n\u003cp\u003eProduction of our racing valves begins with a one piece forging, where the head of the valve is forged under a slow two step process to keep a good material grain flow. The forging is then CNC machined in several steps to ensure the precision of the final dimensions. We then do another heat treatment for stress relieving followed by a nitride hardening treatment (or coating process depending on the application). Lastly, we do one more grinding, followed by our patented Superfinishing of the surface to ensure that each valve is free of any imperfections and the dimensions are precise.\u003c\/p\u003e\n\u003ch3\u003eONE PIECE VALVE\u003c\/h3\u003e\n\u003cp\u003eOur valves are not finished from generic blanks rather they are specifically designed for each and every application. We work relentlessly, testing and researching every aspect trying to improve the air flow of our designs.\u003c\/p\u003e\n\u003ch3\u003eDURABILITY\u003c\/h3\u003e\n\u003cp\u003eWith every valve design we strive to maximize durability through higher fatigue resistance and tensile strength. Each valve tip is hardened beyond 52HRc. \u003c\/p\u003e\n\u003ch3\u003eSTRICT TOLERANCES\u003c\/h3\u003e\n\u003cp\u003eIt’s unlikely you will find any of our competitor’s valves with stricter dimensional tolerances than our Supertech valves. Combine that with finished seats with equally strict run out tolerances and you won’t find a better sealing, better performing and easier to install solution anywhere!\u003c\/p\u003e\n\u003ch3\u003eSUPERFINISH\u003c\/h3\u003e\n\u003cp\u003eIn 2006 we introduced our stem Superfinishing as a standard addition to all of our valves and provided it at no additional cost. When our Superfinish is combined with our Black Nitrided valve it reduces the surface roughness to 1\/3 of our chrome coated valve. The end result… unsurpassed performance and durability.\u003c\/p\u003e\n\u003ch3\u003eHIGHER FLOW RATES\u003c\/h3\u003e\n\u003cp\u003eOptimum high flow rates are achieved by ensuring that our valves are manufactured with the best angles for each application. We consider back cut, under cut and valve head angles for each application to produce the optimum high flow rates for each application.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48958991597864,"sku":"HEVN-1020F","price":29.06,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-30-00mm-std-flat-black-nitrited-exhaust-valve-honda-k20-hevn-1020f-cams-valvetrain-351.webp?v=1750778679"},{"product_id":"supertech-block-guard-honda-k-series-k20a-k20z","title":"Supertech Block Guard Honda K-Series K20A K20Z","description":"Our Supertech Block Guards are meticulously designed and tested in many engines. As a result we offer a product that will provide support to highly stressed cylinder walls with optimal engine cooling by allowing enough water flow in critical areas to avoid destructive cylinder hot spots. Our block guards are made from high strength, high corrosion resistanct 6061 aluminum alloy. All of our block guards are computer designed and CNC machined ensuring the best possible fit and making installation a breeze.\n\nSupertech block guards are amoung the best in the industry and designed to work with all of our valvetrain components.","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48958991368488,"sku":"ST-BG-K20","price":175.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-block-guard-honda-k-series-k20a-k20z-cams-valvetrain-842.webp?v=1721650611"},{"product_id":"supertech-dual-valve-spring-kit-95lbs-at-40-4mm-honda-k24","title":"Supertech Dual Valve Spring \u0026 Retainer Kit 95lbs at 40.4mm Honda K24","description":"\u003cp\u003eAll Supertech valve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher performance \u0026amp; durability at high rpms. Using high quality steel alloy allso provides the added benefit of better structural memory for all of our springs.\u003c\/p\u003e\n\n\u003cp\u003eOur valve springs are computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue. We also utalize computer software that allows us to ensure that the harmonics are under control. This combined with our high quality steel alloy enables supertech valve springs to be more durable in extreme conditions, giving your performance racing engine a serious competitive advantage in both perforamnce and durablity.\u003c\/p\u003e\n\n\u003cp\u003eSupertech retainers are manufactured with high quality military certified Titanium alloy, and are CNC machined for a tight fit. Our high quality retainers are among the best in the industry.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"95lbs at 40.4mm","offer_id":48958991434024,"sku":"SPRK-H1021D-T1","price":752.33,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-dual-valve-spring-kit-95lbs-at-40-4mm-honda-k24-cams-valvetrain-944.webp?v=1751547744"},{"product_id":"supertech-lash-cap-7mm-diameter-3mm-deep","title":"Supertech Lash Cap 7mm Diameter 3mm Deep","description":"\u003cp\u003eSupertech lash caps are CNC machined with strict tolerances and high quality material to give the best performance and durability. 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Sold individually.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Intake Valve Seal","offer_id":48958991565096,"sku":"VS-H5.5I-T23","price":1.06,"currency_code":"GBP","in_stock":true},{"title":"Exhaust Valve Seal","offer_id":48958991696168,"sku":"VS-H5.5E-T23","price":1.51,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-5-5mm-valve-stem-seal-for-honda-d16y8-cams-valvetrain-654.webp?v=1749132984"},{"product_id":"supertech-5-5mm-exhaust-valve-stem-seal-for-honda-h22a4","title":"Supertech 5.5mm Exhaust Valve Stem Seal For Honda H22A4","description":"\u003cp\u003eSupertech engine valve seals are made high quality materials to ensure that they not only last long but also perform to the best of their ability.\u003c\/p\u003e\u003cp\u003eThis listing uses a stock photo and actual seals may vary depending on application. 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Sold individually.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Exhaust Valve Seal","offer_id":48958991925544,"sku":"VS-H5.5E","price":1.51,"currency_code":"GBP","in_stock":true},{"title":"Intake Valve Seal","offer_id":48958992056616,"sku":"VS-H5.5I","price":1.06,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/files\/supertech-5-5mm-valve-stem-seal-for-honda-b18c1-cams-valvetrain-970.webp?v=1749139589"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/5767\/7352\/collections\/SUPERTECH.jpg?v=1704730366","url":"https:\/\/www.tegiwa.com\/collections\/supertech.oembed?page=5","provider":"Tegiwa","version":"1.0","type":"link"}