1954-55 Chevy, GMC Truck Hydropower Hydraulic Brake Assist System, Firewall Mount Rack and Pinion Kits 1947-55 Chevy GMC 1st Series 3100 Truck 4-link bars are double adjustable

4-link bars are double adjustable

1967-1987 Chevy

Fits: 1962 1963 1964 1965 1966 1967 Chevy Nova

Improves driver feedback and stopping performance

1954-55 Chevy, GMC Truck Hydropower Hydraulic Brake Assist System, Firewall Mount Rack and Pinion Kits 1947-55 Chevy GMC 1st Series 3100 Truck 4-link bars are double adjustableOur Hydropower hydraulic brake assist power booster fits 1954 55 1st series Chevy and GMC trucks and generates up to 1800psi of line pressure to the brake calipers. It is fitted with a POL master cylinder and 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 54 55 1st series GM truck