JEGS 555- 631158 Brake Master Cylinder Notes:

GM Universal Aluminum Chrome 1" Bore; 9/16" & 1/2" Ports on Both Sides; Exact Copy of Original; Master Cylinder has a piston adaptor that will allow for power or manual applications. For Disc/Drum or Drum/Drum Applications. (Note: if you are running Drum/Drum you will also need a metering valve PVM) Notes Universal fit made for disc brake conversions with a dual bail fluid compartment and adapter for power or manual brakes. Can be used for manual or power applications. Deep bore with a shallow bore adapter included.: