RULES PACKAGE for Las Vegas...

Cup Series cars will feature the same 1.5-mile racing package used in 2019, with aero ducts and a tapered-spacer engine generating a targeted 550 horsepower.

Each team will be allowed three sets of Goodyear Eagle Speedway Radials for practice, one set for qualifying and nine sets for the race (eight new race sets, plus one transferred from practice or qualifying).

Las Vegas’ smooth asphalt track does not naturally wear tires. However, with tire wear being such an important factor for cooling and optimum performance, Goodyear has modified the tire to have increased wear on the racing surface.

“The track surface at Las Vegas is one that generates minimal tire wear so we have to design our tread compounds to account for that,” said Greg Stucker, Goodyear’s director of racing. “Excessive heat is the enemy of a race tire and tire performance. On track surfaces that don’t naturally promote wear, it’s important to design a tire that can wear quicker and dissipate that heat. This tire setup, specifically this right-side tire, utilizes a tread compound formulation which does that.”