NRG - SLIMBOY ADJUSTABLE SHIFT KNOB FOR NISSAN/MAZDA/TOYOTA THREAD PITCHSK 580BC MC 2 : Adjustable Shift Knob NRG Carbon Fiber NeoChrome : M10 x 1. 50 This product improves the overall look of the interior of the vehicle while providing some performance gain. Different shapes of the knob are ergonomically correct depending on shifting style. Height adjustable for low and high shifting advantage. Weighted aluminum construction with real carbon fiber body improves shifting by increasing inertial weight in order to allow