- Flywheels are CNC machined from heat-treated, closed die, steel forgings, and are stronger than cast iron or late style steel flywheels
- Dynamically balanced and fully assembled with premium quaility S&S mainshafts and heavy duty 7.440" connecting rods
- This 4-1/4" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels in S&S 80" SH80 engines with alternator style crankcases for 1970-'84 HD big twins
- May also be used in 88" engines with 3-5/8" bore cylinders
- Can be used to overhaul an S&S engine or to build a custom engine using similar crankcases and pistons
- Made in the U.S.A.
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1983 | Harley-Davidson | Disc Glide FXDG | |
| 1979-1981 | Harley-Davidson | Electra Glide Classic FLHC | |
| 1983 | Harley-Davidson | Electra Glide Classic FLHTC | |
| 1971-1984 | Harley-Davidson | Electra Glide FLH | |
| 1970-1972 | Harley-Davidson | Electra Glide FLHF | |
| 1984 | Harley-Davidson | Electra Glide FLHX | |
| 1980-1981 | Harley-Davidson | Electra Glide Sport FLHS | |
| 1984 | Harley-Davidson | Electra Glide Sport FLHS | |
| 1979-1981 | Harley-Davidson | Fat Bob FXEF | |
| 1982-1983 | Harley-Davidson | Low Glide FXRS | |
| 1977-1982 | Harley-Davidson | Low Rider FXS | |
| 1983-1984 | Harley-Davidson | Low Rider FXSB | |
| 1983 | Harley-Davidson | Sport Glide FXRT | |
| 1980-1982 | Harley-Davidson | Sturgis FXB | |
| 1974-1984 | Harley-Davidson | Super Glide Electric Start FXE | |
| 1971-1978 | Harley-Davidson | Super Glide FX | |
| 1982-1983 | Harley-Davidson | Super Glide II FXR | |
| 1981-1983 | Harley-Davidson | Tour Glide Classic FLTC | |
| 1980-1983 | Harley-Davidson | Tour Glide FLT | |
| 1980-1984 | Harley-Davidson | Wide Glide FXWG | |