The Lifeline quick release steering boss is CNC manufactured using aircraft quality aluminum hard anodized for strength and durability. Both male and female splines are precision gear cut incorporating a master spline for accurate alignment.
6 x 70 PCD steering wheel fitment e.g. OMP, MOMO, Sparco, etc...
The male spline is manufactured from EN3B steel.
Lifeline Quick Release Bosses are anodized gold to meet FIA requirements.