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The Wilwood adjustable proportioning valve is a compact forged billet knob-adjust valve that meters brake line pressure from 100–1000 PSI, offering up to a 57% reduction for fine front-to-rear balance tuning. A fine-thread adjuster gives precise control. Weighing just 5.2 ounces, it has two 1/8-27 NPT ports, ships with 1/8-27 NPT to 3/8-24 inverted flare adapters to fit most domestic 3/16" hard lines, and includes side mounting holes for straightforward installation.
Wilwood Proportioning Valve - Knob Adjust
