GMA Kelsey Hayes Rear Master Cylinder 5/8 Bore
- A 5/8″ bore master cylinder is required for most aftermarket multi-piston brake setups
- Bore size: 5/8″
- Mounting holes: 5/16″ at 2.25″ on centers
- Inlet size: 1/8-27 NPT
- Fits Harley Davidson 1979-1984 FL (Late 1979) | 1979-1983 FX (Late 1979) | 1979-1981 XL (Late 1979)
- Length: 4-1/16″ | Width: 1-7/16″” | Height: 2-7/8″
- OEM #’s 42453-80A, 42454-80A
- Made In The U.S.A.
- Uses D.O.T. 5 brake fluid
Thomas D. –
Great quality American made part! Perfect fit too!