The 1990 Checker 500 was the 28th and penultimate stock car race of the 1990 NASCAR Winston Cup Series season, the ninth and final race of the 1990 NASCAR Winston West Series season, and the third iteration of the event.

[5][6] Phoenix International Raceway – also known as PIR – is a one-mile, low-banked tri-oval race track located in Avondale, Arizona.

The motorsport track opened in 1964 and currently hosts two NASCAR race weekends annually.

The raceway was originally constructed with a 2.5 mi (4.0 km) road course that ran both inside and outside of the main tri-oval.

Rusty Wallace, driving for Blue Max Racing, would win the pole, setting a time of 28.929 and an average speed of 124.443 miles per hour (200.272 km/h) in the first round.