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

2 Cross Shafts

Our Hydropower hydraulic brake assist power booster fits 1955-57 Chevy Belair and generates up to 1800psi of line pressure to the brake calipers

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