The Velvac Air Tractor Control Kit is the perfect solution for adding hand and foot controls to trucks with pre-FMVSS 121 air brakes. This kit is designed to work seamlessly with air brake trailers, making it an essential addition for any truck driver who needs to haul heavy loads. The kit includes valves, hose, and fittings, as well as a hose assembly, jumper lines, and support springs. This ensures that you have everything you need to install the kit quickly and easily, without the need for any additional parts or tools. One of the standout features of this kit is the 1/8" FPT pressure gauge port, which has a maximum supply pressure of 180 psi. This allows you to monitor the pressure of your air brakes at all times, ensuring that they are functioning properly and keeping you safe on the road. Overall, the Air Tractor Control Kit is a must-have for any truck driver who needs to haul heavy loads with pre-FMVSS 121 air brakes. With its easy installation, comprehensive kit contents, and reliable performance, this kit is sure to become an essential part of your trucking setup. FleetPride is your First Click in Heavy Duty®.