Kartboy 5 Speed White Delrin Shift Knob for Subaru Impreza / WRX Kartboy 5 Speed White Delrin Shift Knob for Subaru Impreza / WRX.For the extra bit of style and performance, add a Kartboy Delrin Shift Knob to your Kartboy Shift Lever (works with the stock lever as... MSRP: Was: Now: $0.00 Add to Cart