Oil pressure regulation bypass routes excess oil directly to the supply side of the pump & reduces the amount of oil returned to the tank, less foaming and cavitation
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1936-1937 | Harley-Davidson | E | Base |
| 1936-1947 | Harley-Davidson | EL | Base |
| 1941-1962 | Harley-Davidson | FL | Base |
| 1953,1955-1959 | Harley-Davidson | FLF | Base |
| 1958-1959 | Harley-Davidson | FLH Duo-Glide | Base |
| 1970-1972 | Harley-Davidson | FLH Electra Glide | Base |
| 1955-1957 | Harley-Davidson | FLH Hydra-Glide | Base |
| 1955-1959 | Harley-Davidson | FLHF | Base |
| 1971-1972 | Harley-Davidson | FX Super Glide | Base |