Brothers Trucks Chevrolet, GMC
MSTR900DISC
Brothers Trucks Dual Master Cylinder - 5 Adapter Required Fits 1947-1987 Chevrolet/GMC Truck This master cylinder is used when converting to a dual master cylinder. This popular conversion makes your old truck safer to drive and gives you the option of non-power when converting to disc brakes. Requires the use of the Dual Master Cylinder Conversion Bracket (Part # DMC5900). For disc brake applications a Proportioning Valve (Part # VLV4759) is required.