Pit Stop USA has weld in roll cage kits for circle track cars as well as your 10 second drag car. Roll cages are required by most racing associations for cars running 10.99 or quicker. Pit Stop USA carries roll cage kits in either mild steel or 4130 chrome moly. Cars running 8.50 or quicker MUST use funny car cage and secondary door bar. Pit Stop USA has everything you need to build a winning race car or street machine and get you to the finish line first. Pit Stop USA offers a huge selection of drag racing parts and accessories from the biggest brands in racing including Allstar Performance Roll Cage Kits, Competition Engineering Roll Cage Kits, Chassis Engineering Roll Cage Kits and more at low everyday prices.