9" Single Diaphragm Universal Zinc Brake Booster Application: --Universal style Description: --It is 9 inches. Standard GM 3 1/4" spacing on the front and back mounting plates.
GM Corvette Style Cast Iron Master Cylinder Application: --Fit most GM application.This is Corvette style. 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 Package: Including all items in the picture
