S&S Cycle 80" 3-1/2" Bore Cylinder & Standard Compression Piston Kit - 1979-1984 80" Big Twin - Gloss Black Finish
Intended to replace the cylinders and pistons of a 80" Shovelhead engine and maintain the stock compression ratio of 8:1
Compatible with stock or S&S cylinder heads
Includes S&S 3.5" bore high tensile cast iron cylinders, 3.5" bore forged standard compression pistons for 80" (4.25" stroke) engines with rings and wristpins, head gaskets, S&S stainless steel bolts with washers, base nuts and base gaskets
Made in the U.S.A.