R-Tech Steering wheel hub/boss kits are needed when fitting an after market steering wheel from OMP, Momo, Sabelt, Sparco or others with a 6 hole x 70mm PCD. The hubs are designed to maintain the original steering wheel position and do not include a horn push button. Supplied complete with fitting kit. This kit is suitable for the vehicles listed. Suitable for fast road, track day or motorsport use.