Description
S&S Cycle 91-9023 80″ 3-1/2″ Bore Cylinder and High Compression Piston Kit for 1979-’84 80″HD® Big Twins – Gloss Black Finish
- This kit is intended to replace the cylinders and pistons of a 80″ shovel head engine and increase the compression ratio to 9:1.
- Compatible with stock or S&S cylinder heads.
- Kit includes S&S 3 1/2″ bore high tensile cast iron cylinders, 3 1/2″ bore forged high compression pistons for 80″ (4 1/4″ stroke) engines with rings and wristpins, head gaskets, S&S stainless steel head bolts with washers, base nuts, base gaskets.
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