1973-87 Chevy, GMC Truck Hydropower Brake Boost Kit with POL or Wilwood Master Cylinder Master Cylinder Manufacturer:POL Master PosiTraction 3rd member with many

PosiTraction 3rd member with many gear ratios available

Performance Online (POL) polyurethane leaf spring insulators for 1967-81 Chevy Camaro are used to insulate the leaf spring from the rear end

non-original wheels

Knobs and levers

60 to 0 mph stopping distances and braking efficiency are great improved over factory drum brakes

1973-87 Chevy, GMC Truck Hydropower Brake Boost Kit with POL or Wilwood Master Cylinder Master Cylinder Manufacturer:POL Master PosiTraction 3rd member with manyOur 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 POL or Wilwood master cylinder and a Black Out 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