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The Wilwood knob-adjustable proportioning valve is a compact brake bias control with 3/8-24 inverted flare ports and includes a mounting bracket for installation. Intended for manual adjustment of front-to-rear brake pressure distribution, it suits custom or race-inspired brake systems where on-vehicle bias tuning is required. The valve provides a simple, accessible way to fine-tune braking balance.
Wilwood Proportioning Valve - Knob Adjust 3/8-24 IF w/Mounting Bracket
