HKS Piston Single from 21003-An009 21004-An017
The HKS Piston Single from 21003-AN009 / 21004-AN017 is a forged piston upgrade designed for high-performance engine tuning, particularly for Nissan R35 GT-R VR38DETT applications.
Key Features:
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Forged Construction: Provides enhanced durability compared to OEM cast pistons.
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Optimized for High Output: Designed for GT800 Racing Specs and STEP2 Camshaft compatibility.
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Improved Compression Ratio: Adjusted from 9.0 (factory) to 8.7, widening tuning potential.
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Precision Machined Design: Ensures proper fitment and balanced weight distribution.
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Complete Kit Available: Includes piston rings & wrist pins for seamless installation