The 'Original' Progressive Rate Fork Springs soak up the small road bumps, yet are firm enough to absorb the molar-rattling ones. Spring rates have been chosen to reduce front end "dive" during braking, yet still provide excellent ride comfort.
This Part Fits:
| Year | Make | Model | Submodel |
|---|
| 1971-1978 | Harley-Davidson | FX Super Glide | Base |
| 1980-1982 | Harley-Davidson | FXB Sturgis | Base |
| 1983 | Harley-Davidson | FXDG Disc Glide | Base |
| 1974-1984 | Harley-Davidson | FXE Super Glide | Base |
| 1979-1985 | Harley-Davidson | FXEF Fat Bob | Base |
| 1982-1987 | Harley-Davidson | FXR Super Glide II | Base |
| 1985-1986 | Harley-Davidson | FXRC Low Rider Chrome | Base |
| 1986 | Harley-Davidson | FXRD Sport Glide Grand Touring | Base |
| 1984 | Harley-Davidson | FXRDG Disc Glide | Base |
| 1985-1986 | Harley-Davidson | FXRPF Police | Base |
| 1982-1987 | Harley-Davidson | FXRS Low Glide | Base |
| 1983-1987 | Harley-Davidson | FXRT Sport Glide | Base |
| 1977-1982 | Harley-Davidson | FXS Low Rider | Base |
| 1983-1985 | Harley-Davidson | FXSB Low Rider - Belt | Base |
| 1984-1986 | Harley-Davidson | FXST Softail Standard | Base |
| 1958-1979 | Harley-Davidson | XLCH | Base |
| 1977-1978 | Harley-Davidson | XLCR Cafe Racer | Base |
| 1986-1987 | Harley-Davidson | XLH1100 | Base |
| 1986-1987 | Harley-Davidson | XLH883 | Base |
| 1986-1987 | Harley-Davidson | XLH883DLX Sportster 883 Deluxe | Base |
| 1987 | Harley-Davidson | XLH883HUG Sportster 883 Hugger | Base |
| 1978-1985 | Harley-Davidson | XLS Roadster | Base |
| 1977-1978 | Harley-Davidson | XLT | Base |
| 1983-1984 | Harley-Davidson | XR1000 | Base |
