Primarily for street applications, Warhawk LS1X 15º heads represent significant improvements over factory heads. They are available with 200cc or 220cc intake ports, allowing optimum balance of air flow and velocity. Another benefit is the valve centerline and rocker arm studs are parallel to ensure correct geometry even with longer-than-stock valves.Features:
High-performance alternative to stock GM LS1 headsAvailable with 200cc or 220cc intake runners200cc head has 2.055" intake valves, and 220cc has 2.080"Exhaust valves are 1.600" and all stems are 5/16"Choice of 64cc or 72cc combustion chambersCompatible with standard LS1 valve train componentsRocker arm studs at 15º for optimum valve-train geometryValve covers raised .300" to clear aftermarket rocker armsMade of 355-T6 aluminum and has thick .750" deckAvailable bare or as complete assembly
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