GMA Wagner Rear Master Cylinder 5/8 Bore
- A 5/8″ bore master cylinder is required for most aftermarket multi-piston brake setups
- Wagner master cylinders have offset 3/8″ mounting holes
- Bore size: 5/8″
- Mounting holes: 3/8″ at 2.25″ on centers
- Inlet size: 1/8-27 NPT
- Fits Harley Davidson 1971-1979 FX (Early 1979) | 1958-1979 FL (Early 1979)
- Length: 4-1/16″ | Width: 1-7/16″” | Height: 2-7/8″
- Made In The U.S.A.
- Uses D.O.T. 5 brake fluid
Nick –
I’m giving the master cylinder 5-stars because I’ve used GMA M/Cyls. in numerous builds. Had to return this particular unit to BDL/GMA for possible flaw in the burnishing process of the bore. I don’t anticipate a problem with GMA correcting the issue.
Steven K. –
GMA always makes quality stuff