IMSA, Grand Am Racing, IMCA, World of Outlaws, Quarter Midget Racing Suits, Junior Drag racing Suits, Bandolero Racing Suits, Cage Kart Racing Suit, Trophy Kart Racing Suit, Dwarf Car Racing Suit, Midget Racing Suit, IMSA, Trans-Am Racing, American LeMans Series Racing, SCCA Road Racing, Arizona Racing, Desert Racing, NASA Racing, SCORE and Best In The Desert OFF Road Racing all have differences in their safety requirements. Most US racing sanctioning bodies will require SFI or FIA rated 1 piece racing suits. The UPR Racing Supply staff will help you make a selection for your racing suit, but it’s up to you to know the rule book for the type racing you will be participating in.