This kit is intended to replace the cylinders and pistons of a 74" shovelhead engine and increase the compression ratio to 9:1. Compatible with stock or S&S cylinder heads. Kit includes S&S 3-7/16" bore high tensile cast iron cylinders, 3-7/16" bore forged high compression pistons for 74" (3-31/32" stroke) engines with rings and wristpins, head gaskets, S&S stainless steel head bolts with washers, base nuts, base gaskets
Instructions Link (Click Here)
Manufacturer: S&S Cycle
Part #: 91-9012
S&S Cycle | |
S&S Cycle | Made in the U.S.A. |
Tags: S&S Cycle, Harley Davidson, Classic Pre-1984, Engine, Cylinder