8" Single Diaphragm Zinc Brake Booster --The universal booster will bolt up to most street rods, hot rods, and many other vehicles with out a problem. --It also offers approximately 20% (some say up to 27%) more stopping power than 8" single diaphragm boosters. --Master cylinder mounting bolts center to center 3 3/8 inch --4 bolt firewall or pedal assembly mounting center center 3 3/8 inch --Deep zinc finish gives it that show-car look that is guaranteed to catch the eye of the most discriminating enthusiasts
GM Cast Iron Master Cylinder 1" Bore 4 Port Application: --Fit most GM application.This is Corvette style master cylinder. Description: --100% brand new,high performance --Cast iron coated body,dual ball zinc cap --With a 1" bore --The cap is attached by 2 small screws --4 port unit,so you can mount your lines on either side --With 3/8" fitting --will work with any drum/drum, disc/drum or disc/disc setup --Plugs are included to block the ports