Right Stuff Detailing 9 in OD Brake Booster / Master Cylinder - 9 in OD - 1.125 in Bore - GM Fullsize Truck 1963-66 10203C Comes with hardware

Comes with hardware

Harnesses do not include connections for the rear O2 sensors or fuel tank pressure sensor but are available separate

heavy duty and custom sized

Mounting Panel / Coil Ignition Included

746 Shank length for use with aluminum wheels that are between 11/16 and 7/8 at the stud hole and have a flat seat

Right Stuff Detailing 9 in OD Brake Booster / Master Cylinder - 9 in OD - 1.125 in Bore - GM Fullsize Truck 1963-66 10203C Comes with hardwareProduct Description: Master Cylinder and Booster 1. 125 in Bore Dual Integral Reservoir 9 in OD Single Diaphragm Cast Iron GM Fullsize Truck 1963 66 The Right Stuff Detailing Disc Brake conversion kits are the most complete on the market. You can order a "Wheel Kit" which includes fully loaded calipers, rotors, hoses, bearing and hardware kits, caliper mounting brackets, backing plates (most kits) and spindles (when changing spindles is necesarry).