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Ensure your semi is Ready for the Road Ahead with fast and reactive rear air brakes, with the Prima Brake R-12 Type 5.5 psi Relay Valve. This replacement component allows for the immediate application of compressed air to the rear air brakes, by acting as a gateway between the service reservoir and the brakes. Engineered with a durable metal body to withstand extreme pressures and consistent use.
FleetPride is your First Click in Heavy Duty .
Delivers reliable detection of pressure drops
Accurate pressure sensing to provide reliable braking performance
Streamlines the job of connecting the valve to the air brake lines
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