Top Street Performance Aluminum Cylinder Head for GM Chevy LS1 LS6

Upgrade your GM LS with bare aluminum cylinder heads engineered to improve airflow, combustion efficiency, and horsepower potential. Featuring 210cc intake runners, 64cc combustion chambers, these heads are built for street, strip, and performance engine builds that need better breathing than stock castings.Improved Airflow & Power PotentialOptimized runner and chamber design helps move more air through the engine, improving throttle response, torque, and top-end horsepower potential across the RPM range.Bare Head Build FlexibilityBare cylinder head configuration gives builders the flexibility to select valves, springs, retainers, and hardware matched to the exact camshaft, RPM range, and power goal.Aluminum ConstructionLightweight aluminum construction reduces weight compared to factory iron heads while improving heat dissipation for more consistent performance under demanding conditions.Built for Street & Performance BuildsIdeal for performance rebuilds, restorations, and upgraded engine combinations. Always verify piston-to-valve clearance, camshaft compatibility, intake manifold fit, and header clearance before final installation.COMPATIBLE WITHGM LS SERIES V8 ENGINES - CATHEDRAL PORT 4.8L / 293 in³ (LR4, LY2) 5.3L / 325 in³ (LM7, L59, L33, LC9, LH6, LY5) 5.7L / 346 in³ (LS1, LS6) 6.0L / 364 in³ (LQ4, LQ9, LY6 with cathedral-port setup)COMMON VEHICLE APPLICATIONSChevrolet Corvette (LS1 / LS6 equipped)Chevrolet Camaro / Pontiac Firebird (LS1 equipped)Pontiac GTO (LS1 / LS2 equipped with compatible setup)GM Silverado / Sierra / SUV LS-based swapsPopular LS swap applications using cathedral-port intake manifoldsNOTESDesigned for cathedral-port LS intake manifold applications.Verify intake manifold, rocker arm, valve

• Fits GM LS Gen III/IV applications; verify cathedral or rectangular port compatibility before ordering
• 210cc intake runners, 64cc chambers for improved airflow and power potential
• Bare aluminum casting allows custom valve train selection for your camshaft and power goals
• Lightweight aluminum construction improves heat dissipation versus factory iron castings