Bob Pockrass on X: Thanks to ⁦@jeff_gluck⁩ , here is a clearer photos of a restrictor plate next to a tapered spacer. This is from Indy Xfinity race, where the spacer and

Bob Pockrass on X: NASCAR has now teams using an offset 6-inch

Bob Pockrass on X: From MBM on what happened to the 66 Xfinity

Bob Pockrass on X: From earlier today: Jimmie Johnson 1-on-1: On

We asked Bob Pockrass to get behind the wheel to remind everyone

Bob Pockrass on X: Xfinity lineup and pit-road charts.

Bob Pockrass on X: Grant Enfinger is with CR7 Motorsports after

Bob Pockrass on X: Rajah Caruth was in New York for the screening

Bob Pockrass on X: NASCAR uses two high-speed photo cameras

NASCAR Behind the Scenes: Media Coverage Part II - The Lasco Press

Bob Pockrass on X: Xfinity race winner Kyle Larson gives his

Bob Pockrass on X: No diffuser and 4-inch spoiler part of the