Product Group Code: UPI-Universal-Tractor-Aluminum-Screw-On-Air-Valve-Knob

Matching gearshift covers, gearshift knobs, shifter shaft extensions, and steering wheel spinners available. Fits Freightliner, Kenworth, Peterbilt and various other trucks. Large air valve knob with stainless steel plaque, screw on. Beautiful high quality chrome plated finish with triple chrome plating process. Available with tractor script.