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The Wilwood knob-adjust proportioning valve provides precise pressure metering from 100–1000 PSI and allows up to a 57% rear-line pressure reduction to fine tune front-to-rear braking balance. Its compact forged billet body and fine-thread adjuster deliver repeatable control. Weighing 5.2 ounces, the valve features two .25" side mounting holes and 3/8-24 inverted flare inlet/outlet seats for direct connection to 3/16" inverted flare tubing without adapters.
Wilwood Proportioning Valve - Knob Adjust 3/8-24 IF Inlet & Outlet
