Proflow 11'' Brake Booster & Master Cylinder Combo GM OE Style, Conversion Kit Disc/Drum, Kit

Easily convert your manual braking system on your 1967-1972 GM A/F/X Body and add some power with little to no modificatoins! Unit comes complete with brake booster, master cylinder, and booster bracket. Detailed instructions included for a seamless install. 1967-1972 GM A/F/X Body 11" stamped brake booster conversion kit Stamped master cylinder Disc/Drum 1-1/8" bore Kit Includes: OE Style Master Cylinder Casting #'s 11" Stamped Power Brake Booster Disc Drum Proportioning Valve