6-point Rotary Cam System harnes belt. • Individual Shoulder Harness. • Pull-down lap belt • Double Anti-Sub belt • Bolt-in Hardware included. Bill Simpson is back With more than 45 years of racing safety experience, Bill Simpson is entering the next chapter of his life with renewed commitment in an industry he defined. Bill's new company, Impact Racing, offers the latest and most innovative safety equipment from helmets and gloves to shoes, suits and restraint systems. All of Impact Racing's products are designed from the ground up to provide the ultimate in performance and comfort.