--The booster will bolt up to most street rods, hot rods, and many other vehicles .
--It also offers approximately 20% (some say up to 27%) more stopping power.
--Standard 2 bolt brake master cylinder on top.
--Has 4 bolts on bottom that mount to the firewall with 3 3/8" spacing.
Master Cylinder GM Chrome Aluminum Brake Master Cylinder w/ Screw Down Style Finned Cap 1" Bore Application: --Fits most GM application. Description: --100% brand new,high performance --High quality ,chrome aluminum finish --Finned Cap --With a 1" bore --The cap is attached by 2 small screws --9/16" and 1/2" ports on both sides of the master cylinder --4 port unit,so you can mount your lines on either side --will work with any drum/drum, disc/drum or disc/disc setup --Plugs are included to block the ports
