1974 USAC Indycar Series.: 1974 USAC Indycar Series. Michigan, MI, USA. 15th September 1974. Mark Donohue and Roger Penske. World Copyright: Murenbeeld/LAT Photographic
1974 USAC Indycar Series.
Michigan, MI, USA. 15th September 1974.
Mark Donohue and Roger Penske.
World Copyright: Murenbeeld/LAT Photographic