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250" diameter sector shaft
POL proportioning valve
We offer these high performance braided stainless front brake hose for disc brake applications
For use on GM master cylinder with 1/2-20 front and 9/16-18 rear brake line ports
Balanced as a set for maximum smothness
1973-87 Chevy, GMC Truck Hydropower Brake Boost Kit with Bright Wilwood Master Cylinder Rack and Pinion Kits 1947-55 Chevy GMC 1st Series 3100 Truck 250" diameter sector shaftOur 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
