A-Team Performance 8" Dual Power Brake Booster Kit with Master Cylinder Pedal Firewall Mount Assembly Bracket Kit Compatible with Disc/Disc Disc/Drum Chevy Buick Pontiac Ford Plymouth Olds Street Rods This is a firewall mount bolt on kit which includes brackets and pedal assembly found in many Chevy, Buick, Pontiac, Ford, Plymouth, Olds, Street Rods, Rat Rods, Sand Cars, Muscle Cars, and Kit Cars. Compatible with Disc/Disc or Disc/Drum setups. Proportioning Valves sold separately. Pedal Pivot Point is adjustable to 7", 8-.5", 10", 11.5" and 13". Kit Includes: 8" Zinc Plated Dual Diaphragm Brake Booster 1" bore "GM Style" Master Cylinder Black Painted Pedal Assembly with Pad