Perrin Short Shift AdaptorThe PERRIN Short Shifter Adapter reduces shift knob travel between gears and makes your shifts feel solid and positive. Changing the throw and feel gives a rewarding improvement every time on your daily commute, or on the track. This should be one of the first parts you install on your car to improve your driving experience. Throw Adjustability: The PERRIN Short Shifter Adapter reduces shifter throw 17% 25%, cutting the distance you must move the