Wilwood Proportioning Valve Driving Suit and billet accessories are all

and billet accessories are all made in-house by a talented group of people

Every Quarter Master® product is manufactured on high-tech machinery such as its state-of-the-art CNC turning centers & mills

1990-1997 Ford AerostarDoes NOT fit 2001-2004 3

250 in Washer

Wilwood Proportioning Valve Driving Suit and billet accessories are allThe new generation of adjustable proportioning valves combines the latest refinements to deliver precise pressure metering and strength from a compact forged billet design. Pressure adjustments range from 100 1000 PSI and provide for a maximum decrease of 57% in line pressure, the most of any available valve. Adjuster knob with fine thread tuning provides precise pressure adjustment. This adjustment lets you fine tune the front to rear braking balance