1" bore Master cylinder:
The booster mounts with a 4-bolt pattern. The 4 bolts are in a perfect square and are 3 3/8" apart (center to center)
features a 1" bore and the ports measure 9/16" and 1/2" on each side
7" Dual black brake booster :
7" dual brake booster
Black finished,cast iron Corvette style master cylinder with ports available for plumbing either side
work with any drum/drum, disc/drum, or disc/disc setup
Universal firewall mount power brake pedal conversion kit:
Accept the poplular OEM or aftermarket 7" or 8" power brake booster with a 4 bolt pattern measuring 3 3/8" center to center
The arm is threaded 1/2"-20 to mount a pedal pad and the pedal arm can be adjusted in 1-1/2" increments (Pedal Pivot Point adjusts to 7", 8-1/2", 10", 11-1/2", and 13" ... total length 14") to get that fit you need for your vehicle.
Includes a Round Rubber Brake Pedal Pad
Package:
As shown in our pictures