When the NASCAR Cup and Xfinity Series rolls into Phoenix Raceway this weekend, both series will be using the same tire. But the tire is only used at the 1-mile track in Avondale, Arizona.
The tire was confirmed after an organizational test there at the end of January.
Here’s the Goodyear tire info for this weekend.
Cup Series: Four sets for practice, one set for qualifying/start of race and seven sets for race.
Xfinity: Seven sets for the entire weekend.
Tire Codes: Left-side — D-4664; Right-side — D-4666
Tire Circumference: Left-side — 87.56 in. (2,224 mm); Right-side — 88.35 in. (2,244 mm)
Minimum Recommended Inflation: Left Front — 14 psi; Left Rear — 14 psi; Right Front — 34 psi; Right Rear — 32 psi