G-Force SFI 3 harnesses are the top shelf driver restraint system. Built with proprietary PolyTek low-stretch webbing for elongation control, this 5-point harness with 3" shoulder and lap belts meets a new standard of test records that rival anything in the industry. The Cam-Lock buckle has funnel style receivers to make engaging the belts a snap, made from ultra-light magnesium. Sets are sold with mounting hardware to bolt-in all mounting points. SFI 16.1 homologated. Harnesses are good for at least 2 full years.