1973-87 Chevy, GMC Truck Hydropower Brake Boost Kit with Bright Wilwood Master Cylinder Rack and Pinion Kits 1964-73 Ford Mustang Core Dim (H x W):

Core Dim (H x W):       17 x 28 1/4

Our 1964-66 Ford Mustang power brake booster kit mounts in the factory location and utilizes the OE style Ford master cylinder and 7" single diaphragm power booster

• 6 5/8" diameter

2 Cross Shafts

Chrysler utilizes 8" dual black power booster and black POL or Wilwood master cylinder and Black Out adjustable proportioning valve

1973-87 Chevy, GMC Truck Hydropower Brake Boost Kit with Bright Wilwood Master Cylinder Rack and Pinion Kits 1964-73 Ford Mustang Core Dim (H x W):Our Hydropower hydraulic brake assist power booster fits 1973 87 Chevy and GMC trucks and generates up to 1800psi of line pressure to the brake calipers. It is fitted with a Wilwood master cylinder and an adjustable proportioning valve. This kit is powered by hydraulic line pressure from the power steering pump. Firewall and valve cover clearance is equivalent to a 7" diameter vacuum booster. The firewall brackets are correct for 73 87 GM truck