You can really make your truck cab your own with 4 State's cool collection of semi truck shifter knobs. We've got all sorts of options, like 15-speed shift knobs, 13/18, 9/10, and even options for existing knobs. You can choose from sleek chrome, elegant wood, or even fun themed designs like skulls, flames, sports motifs, and vibrant colors. We even have lighted shift knobs to match the LED lights on the outside of your rig. And if you're worried about whether they'll fit, 4 State Trucks has adapter kits to make sure your chosen knob fits perfectly. We've got valve gearshift base, splitter, and range selector covers to help you easily upgrade your driving experience.