Ensure your semi truck is Ready for the Road Ahead with fast and responsive air brakes, with the Prima Brake Components Treadle Valve Foot Pedal and Plate Assembly. Thanks to its advanced design, this replacement kit is the ideal solution for operators looking to quickly apply or release a vehicle's air brakes. Crafted with a precise design to offer improved control when braking or stopping. FleetPride is your First Click in Heavy Duty .