The Racetech GT quick release steering boss has an inner spline design that is precision machined for accurate alignment allowing for easy removal of the steering wheel making getting in and out of the race car much easier. The boss has a 6 x 70mm bolt pattern so can be bolted to a boss adaptor such as Momo, Sparco and OMP.Conforms with FIA regulationsMade from aircraft quality aluminium 6 x 70mm PCD hole spacing wheel and boss adaptor sideThe 6 bolt wheel mounting pattern is suitable for most brands such as Momo, Sparco, Sabelt, OMP, Mountney M-Range, Motacorsa, Reverie, Simoni Racing and any other wheel with a 6 x 70mm PCD bolt pattern. The body of the boss is gold anodised, which conforms to FIA regulations.