Billetworkz 4-Inch Shift Knob Extender – Ford Focus ST / RS and Fiesta STUpgrade your shifting experience with the Billetworkz 4 inch Shift Knob Extender for Focus ST, Focus RS, and Fiesta ST models. By raising the height of your shift knob, the extender reduces the reach from the steering wheel and gives you extra leverage for smoother, more ergonomic gear changes. Pair it with a short shifter for even greater performance and control. Each extender is CNC machined from high quality aluminum, then polished and anodized for