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S&S 80" 3-1/2" Bore Cylinder and Standard 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" 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.

NOTES:
Pistons in this kit are not intended to be used on 74" engines. Very low compression and poor performance will result.

Instructions Link (Click Here)

Manufacturer: S&S Cycle

Part #: 91-9024

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S&S 3 1/2” Bore Cylinder Kit for 1966 91-9024

  • Brand: S&S Cycle
  • Product Code: 91-9024
  • Availability: Special Order
  • $1,999.95


Tags: S&S Cycle, Harley Davidson, Classic Pre-1984, Engine, Cylinder