The 2nd Annual SCORE AC Delco Off-Road Race was held at Riverside International Raceway after the track had been reworked for off-road racing. The race was inaugurated the previous year by legendary racer and mechanic Mickey Thompson. This collection of action photos is courtesy of Petersen Publishing Company and Image International photographers Bob D'Olivo, Pat Brollier, and Jack Brady and are part of the vast Source Interlink Media Archives.