The 1990 AC Spark Plug 500 was a Winston Cup Series (now Nextel Cup) event held at Pocono Raceway on July 22, 1990. Geoffrey Bodine dominated the race, leading 119 of the 200 laps in route to a 1.22 second victory on Bill Elliott. Points leader Mark Martin finished 6th and continued to hold a 48-point lead on Dale Earnhardt (4th).