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WARHAWK LS1X ALUMINUM HEAD 72CC/220CC BARE High-performance alternative to stock GM LS1 heads Available with 200cc or 220cc intake runners 200cc 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 chambers Compatible with standard LS1 valve train components Rocker arm studs at 15 for optimum valve-train geometry Valve covers raised .300" to clear aftermarket rocker arms Made of 355-T6 aluminum and has thick .750" deck |
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