This retrofit column is designed to fit your Chevy Truck and does NOT require modification to your original vehicle to install. The column comes with it’s own specially designed under dash mount and floor mount with gasket, as well as a delrin OE gearbox cover that is designed to protect your original gearbox from dirt and derbis. Add an aftermarket wheel and the gripping surface of the new wheel will be in the same location as the original. Column comes standard with 8-position tilt, self-canceling turn signals, 4-way flashers, retro knobs levers, 3 7/8″ wiring plug, and a 1″ DD lower shaft.