FOX: NASCAR on X: Restrictor plate vs. tapered spacer. What's the difference? Chad Knaus and @ReganSmith explain. / X

From the vault: Chad Knaus changing No. 24 tires during 'Rainbow Warriors' pit practice - NASCAR EN ESPANOL

The 2019 Rules Package: The Tapered Spacer : Building Speed

FOX: NASCAR on X: Restrictor plate vs. tapered spacer. What's the difference? Chad Knaus and @ReganSmith explain. / X

From the vault: Chad Knaus changing No. 24 tires during 'Rainbow Warriors' pit practice - NASCAR EN ESPANOL

NASCAR Won't Run Restrictor Plates At Talladega For The, 58% OFF

The 2019 Rules Package: The Tapered Spacer : Building Speed

FOX: NASCAR on X: .@ReganSmith and Chad Knaus debate the new rules package and more. #RaceHub / X

Chad Knaus and Regan Smith explain the difference between a restrictor plate and tapered spacer, Restrictor plate vs. tapered spacer. What's the difference? Chad Knaus and Regan Smith explain.

NASCAR Won't Run Restrictor Plates At Talladega For The, 58% OFF

From the vault: Chad Knaus changing No. 24 tires during 'Rainbow Warriors' pit practice - NASCAR EN ESPANOL

The 2019 Rules Package: The Tapered Spacer : Building Speed

Is the Tapered Spacer Rule Fair? : Building Speed

The 2019 Rules Package: The Tapered Spacer : Building Speed

The 2019 Rules Package: The Tapered Spacer : Building Speed