Simpson Performance Products racing safety products have been used in many motorsport genres, including IndyCars, NASCAR, and National Hot Rod Association.
All International Race of Champions (IROC) cars were fitted with Simpson belts and window nets until the sanctioning body closed. Until 2006, Simpson Performance Products was the only company to supply all of the safety items used in NASCAR racing. NASCAR officials continue to trust Simpson products today.
The modern Simpson Performance Products has grown to include a comprehensive line of racing safety products and manufactures some of their products in Texas, North Carolina and California, while other products are manufactured overseas.
Simpson has 5 locations which include Indiana, North Carolina, Texas and California. The company was founded in 1959 by Bill Simpson. Simpson safety gear is sold all over the world. A line of Simpson helmets, nicknamed the "Star Wars" helmet has been in production since 1979.