Wilwood Residual Pressure Valves

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Wilwood Resididual Brake Pressure valves retain a minimum brake line pressure to eliminate excessive brake travel in both disc and drum brake systems. Use the blue 2 lb. valve in disc brake applications where the master cylinder is located below the horizontal plane of the calipers. Use the red 10 lb. valve for drum brake applications (extra pressure compensates for return spring tension in the drums).