SKU: GMP12569427
MPN: 12569427
The Intake Valve – 2.165 Dia 6.2L LS3 is a genuine Chevrolet Performance replacement valve engineered for the legendary LS3 engine platform. Built for enthusiasts and professional mechanics who demand factory-spec reliability, this intake valve serves as a critical component in the combustion cycle, controlling the precise timing and volume of air-fuel mixture entering each cylinder. Whether you're rebuilding a high-performance crate engine, restoring a Corvette Z06, or refreshing a Camaro SS powerplant, this OEM-equivalent valve ensures your LS3 maintains peak efficiency and responsiveness.
Precision engineering defines this valve's performance characteristics. The 2.165-inch diameter head is sized to optimize flow rates while maintaining the LS3's distinctive combustion chamber geometry and port velocity. Manufactured to exact OEM tolerances, the valve features a hard-faced seating surface that resists thermal shock and valve-seat recession—critical factors in maintaining compression integrity across extended boost cycles or high-RPM operation. The compact 0.28-pound weight and 6.3-inch overall length integrate seamlessly into stock and modified cylinder heads alike, requiring no custom machining or clearance modifications. Material composition and heat-treatment specifications match Chevrolet's original specifications, ensuring compatibility with both stock and performance-tuned LS3 applications.
This intake valve is essential for anyone performing complete cylinder-head work, valve-train replacement, or comprehensive engine rebuilds on 6.2L LS3 engines. Installation requires proper valve-seat machining, spring preload verification, and lash adjustment—tasks best handled by experienced builders or professional machine shops equipped with LS-platform tools. Direct compatibility with all LS3 applications—from C6 Corvettes and fifth-generation Camaros to crate-engine builds—makes this valve a go-to choice for both street and track builds seeking OEM reliability without performance compromise.
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