EMPI Steering Wheel Compatibility: 3 Bolt Flange 7/8" Steering Shaft Support: Self-Aligning for Easy Installation Long-Lasting Bronze Bushing: Oil Impregnated with Oiling Cup This 3-bolt flange is compatible with all EMPI steering wheels. The steering shaft support fits a 7/8" shaft and aligns itself for hassle-free installation. It features an oil-impregnated bronze bushing with an oiling cup for extended durability.