1954 Kurtis 500 S Roadster The Midget racers, Sprint cars, and Indy cars racing under Frank Kurtis’ Kurtis-Kraft banner amassed an incredible record of success in open-wheel oval racing from the 1930s through the 1960s. Kurtis-Kraft earned five outright wins at the Indy 500 and countless victories in local dirt-track ...