This kit is intended to replace the cylinders and pistons of a 80" shovelhead 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.
Fitment
| Year(s) | Make | Model Code | Model |
|---|---|---|---|
| 1966-1984 | Harley-Davidson | — | Big Twin |
| Year | Make | Model |
|---|---|---|
| 1979 | Harley-Davidson | FLH Electra Glide |
| 1980 | Harley-Davidson | FLH Electra Glide |
| 1980 | Harley-Davidson | FLHS Electra Glide Sport |
| 1980 | Harley-Davidson | FLT Tour Glide |
| 1981 | Harley-Davidson | FLH Electra Glide |
| 1981 | Harley-Davidson | FLHS Electra Glide Sport |
| 1981 | Harley-Davidson | FLT Tour Glide |
| 1981 | Harley-Davidson | FLTC Tour Glide Classic |
| 1982 | Harley-Davidson | FLH Electra Glide |
| 1982 | Harley-Davidson | FLHS Electra Glide Sport |
| 1982 | Harley-Davidson | FLT Tour Glide |
| 1982 | Harley-Davidson | FXR Super Glide II |
| 1983 | Harley-Davidson | FLH Electra Glide |
| 1983 | Harley-Davidson | FLHS Electra Glide Sport |
| 1983 | Harley-Davidson | FLT Tour Glide |
| 1983 | Harley-Davidson | FXR Super Glide II |
| 1984 | Harley-Davidson | FLH Electra Glide |
| 1984 | Harley-Davidson | FLHS Electra Glide Sport |
| 1984 | Harley-Davidson | FLHX Electra Glide Special |
Fitment details provided by supplier.
