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Goodyear Tire info for Michigan, Texas

Monster Energy NASCAR Cup Series AAA Texas 500 - Qualifying

FORT WORTH, TX - NOVEMBER 03: Goodyear Eagle racing tires are seen in the garage area during Salute To Veterans Qualifying Days Fueled by Texas Lottery for the Monster Energy NASCAR Cup Series AAA Texas 500 at Texas Motor Speedway on November 3, 2017 in Fort Worth, Texas. (Photo by Richard W. Rodriguez/Getty Images for Texas Motor Speedway)

Richard Rodriguez

Both Cup and Xfinity Series will race on new tire compounds on all four tires this weekend at Michigan International Speedway.

The compounds on both the left and right-side tires are a result of an April tire test at the 2-mile track. The test involved Aric Almirola, Alex Bowman, Austin Dillon, Brad Keselowski and Martin Truex Jr.

Compared to what was run at Michigan last year, this left-side tire features an updated construction that brings it into line with what is run at other speedways and a new compound to introduce more wear, while this right-side is a single tread compound tire (last year was a multi-zone tread tire) with a new compound that will introduce more wear and run cooler.

Keselowski voiced his disappointment in the choice of tire.

Here’s the tire info for Cup and Xfinity.

Set limits: Cup: Three sets for practice, one set for qualifying and seven sets for the race; Xfinity: Six sets for the event

Tire Codes: Left-side -- D-4770; Right-side -- D-4796

Tire Circumference: Left-side -- 2,227 mm (87.68 in.); Right-side -- 2,251 mm (88.62 in.)

Minimum Recommended Inflation: Left Front - 22 psi; Left Rear – 22 psi; Right Front - 54 psi; Right Rear - 50 psi

Camping World Truck Series -Texas Motor Speedway

This is the first time Truck Series teams will run this left-side tire code at Texas, though they did run this same right-side code twice at the track last season. Compared to what Truck teams ran at Texas last season, this left-side tire features a construction update to align with what is run at other speedways.
Set limits: Six sets for the event

Tire Codes: Left-side -- D-4782; Right-side -- D-4718

Tire Circumference: Left-side -- 87.68 in. (2,227 mm); Right-side -- 88.62 in. (2,251 mm)

Minimum Recommended Inflation: Left Front -- 24 psi; Left Rear -- 22 psi; Right Front -- 52 psi; Right Rear -- 50 psi