GM Universal Corvette Style Cast Iron Master Cylinder. This will fit the booster we sell, PB8531. If you have disc/drum brakes or larger tires this is an excellent upgrade.
- 1″ Bore
- 3/8″-24 Ports on both sides.
- Disc/Drum Applications, proportioning valve recommended.
- Master Cylinder has a piston adapter that will allow for power or manual applications.
Center Mounting Holes 3-3/8″