106" Hot Set Up® Engine Performance Kit - Black
Increased fin area for better heat dissipation
Increase bore size from 3.750" to 3.927"
4 3/8" stroke, 10:1 compression with 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
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
Made in the U.S.A.