Tuff Stuff Performance 11" Brake Booster - Dual Diaphragm - Black Powder Coat - GM Truck 1973-93 PH-MAC3 5" OD x 11" Tall

5" OD x 11" Tall - 1050 lb

680" outer diameter while reducing the outer diameter of the valve guide to

Exclusive CFD computer modeled air entry area delivers maximum velocity and accelerated air speed

our "bolt-on" components fit perfectly for a hassle-free installation

Flat bottom design raises installed height of air cleaner for additional sheet metal clearance in race cars like NASCAR Modifieds

Tuff Stuff Performance 11" Brake Booster - Dual Diaphragm - Black Powder Coat - GM Truck 1973-93 PH-MAC3 5" OD x 11" TallAvailable in beautiful chrome plated, gold zinc and a variety of colors. Single and dual diaphragm styles available in 7", 8", 9" and 11" diameters fit virtually all hot rods, customs and muscle cars. Includes 3 8" 16 mounting studs and nuts where applicable. Works with many stock mounting brackets and with Tuff Stuff bracket kits Product Features: Vacuum Tested To Ensure Reliability Tuff Stuff Performance Accessories provide you with the "Ultimate"