Kits include 4 1/2” stroker flywheels with rods, S&S Twin Cam style 89cc cylinder heads, rocker covers, 585 gear drive cams, S&S chrome moly pushrods, S&S electric compression releases, and all required gaskets and seals
Require no case modification
Kits require S&S piston kit (sold separately); include 9.8:1 ratio pistons, rings, pins and clips
Fuel system (carb or EFI) is not included and must be purchased separately
Stock cylinders will require boring to 3 7/8”; or you can purchase S&S 3 7/8” bore cylinder and piston kits 0931-0099 (natural) or 0931-0100 (black); sold separately
Replacement piston rings sold separately
Made in the U.S.A.
NOTE: This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.
