Large Screw In Air Valve Control Knobs With Glossy Script Sticker

Upgrade your heavy-duty truck with our Large Screw In Air Valve Control Knobs. Made of chrome aluminum, these knobs feature a glossy script sticker in various color options. With a 9/16 inch inner diameter and 2 inch outer diameter, they are designed to fit most heavy-duty trucks from 1990 and newer models. Available in tractor or trailer script, these knobs are sold individually and are easy to install. Enhance the look and functionality of your truck with our durable and stylish air valve control knobs.