80" 3-1/2" Bore Cylinder and Standard Compression Piston Kit for 1979-'84 80" HD<sup>®</sup> Big Twins - Gloss Black Finish
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80" 3-1/2" Bore Cylinder and Standard Compression Piston Kit for 1979-'84 80" HD® Big Twins - Gloss Black Finish

Item #: 91-9024
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$1,199.95
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This kit is 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. Kit includes S&S 3-1/2" bore high tensile cast iron cylinders, 3-1/2" bore forged standard 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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Pistons in this kit are not intended to be used on 74" engines. Very low compression and poor performance will result.