1974 USAC Indycar Series.: 1974 USAC Indycar Series. Ontario, California, USA. 3rd-10th March 1974. George Bignotti, chief mechanic for Gordon Johncock. World Copyright: Murenbeeld/LAT Photographic
1974 USAC Indycar Series.
Ontario, California, USA. 3rd-10th March 1974.
George Bignotti, chief mechanic for Gordon Johncock.
World Copyright: Murenbeeld/LAT Photographic