Description
Increased fin area for better heat dissipation Increase bore size from 3.750″ to 3.927″ 4 3/8″ stroke, 10:1 comp. w/ stock heads Easy installation; no machining or rebalancing required Forged coated pistons are compatible with stock or S&S Super Stock 79cc and 89cc heads Valve pocket recessed in S&S pistons are enlarged for oversize valves and higher lift cams Maintains stock engine height and stock piston weight 11 fins and full fin pattern on cam side of cylinders closely resembles OEM shape Kit includes; S&S cylinders with gaskets, piston set with rings, top end gasket kit, pushrods, tappets, 585CE chain-drive easy start cams and instructions A fuel system is not included
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