Outfit your truck to be Ready for the Road Ahead with a fresh new valve kit to streamline the transfer of compressed air, with the Wabco 12V 5.5 psi ABS / ATC Valve Package. These valves work to regulate the flow of fluids through a system, acting as a gateway to balance the flow and direction. Manufactured with durable components to withstand extreme operating conditions. FleetPride is your First Click in Heavy Duty .