Short Boss Kit. Short type steering boss developed specifically for RAPFIX The Short Boss for Rapfix is a shortened boss kit for improved driving position suitable for Rapfix products. This is the recommended short boss kit for users who feel the steering position is too high or too close to the front when using RAPFIX in combination with the Universal Hub Kit (our special boss for sports steering). (*The boss cover can be removed for fitting.) Includes: Shorter than standard, eg. Evo is 20mm shorter than standard High quality aluminum construction Cover can be removed if desired Consult your mechanic for model selection, especially when replacing an airbag or 4 Wheel steering system *By request/order.