watch 01:48 The Loop (Movies) Do you like this video? Logo. The Radicals Car Club is an American club and company. In the 1950s, it was the sponsor of Guzzler in the Piston Cup Racing Series. Retrieved from "https://worldofcarsdrivein.fandom.com/wiki/The_Radicals_Car_Club?oldid=154495" Categories: Sponsors Trademarks Community content is available under CC-BY-SA unless otherwise noted.