Brake Bias Proportioning Valve. New and Improved Model!!! A must for all enthusiastic, competitive Drivers and Cars. BRAKE BIAS VALVE WITH A REDUCING RANGE FROM 0-60%. ALLOWS FRONT TO REAR BRAKE BIAS ADJUSTMENT FOR SINGLE MASTER CYLINDER APPLICATIONS. Recognized as the industry standard this in our opinion is the best brake proportioning valve available. We are the UK’s major distributor of this product. This is used and supplied to most Race car manufacturers worldwide including F1 and Touring car manufacturers. Fully regulates the front to rear brake pressure by placing the valve in line to the rear brakes. More pressure is then applied to the front giving a much better overall braking performance. FEATURES: CAN BE USED FOR SINGLE/DUAL WHEEL BRAKE BIAS ADJUSTMENT. 100 – 1000+ PSI RANGE. PRECISE ADJUSTMENT FROM A FINE THREADED SHAFT. INCREASE/DECREASE FRONT TO REAR BIAS IN COCKPIT. Machined from aluminium billet. ANTI CORROSIVE INTERNALS. ACURATE AND QUICK RESPONSE. INLET AND OUTLET PORTS ARE 3/8 - 24 SAE. (FOR USE WITH STANDARD 3/16 BRAKE PIPES). INDUSTRY STANDARD MOTORSPORT COMPONENT. AS USED ON ALMOST ALL COMPETITION CARS. FOR HANDBRAKE TURNS & WET WEATHER CONDITIONS, GRAVEL, & FOREST APPLICATIONS.