NASCAR confiscated the spacers, which were lighter than allowable weights, from Earnhardt Ganassi Racing’s No. 1, Penske Racing’s Nos. 2 and 22, Richard Petty Motorsports’ Nos. 9 and 43, Joe Gibbs Racing’s Nos. 11, 18 and 20, Germain Racing’s No. 13, Michael Waltrip Racing’s Nos. 15, 55, and 56, Roush Fenway Racing’s Nos. 16, 17, and 99, and Wood Brothers Racing’s No. 21.
In all, 31 cars in the Nationwide and Sprint Cup Series had their roof flaps confiscated following inspection. Teams had to install legal spacers before being allowed on the track to practice.
The confiscated spacers had been illegally machined down to reduce weight.
One company supplies roof flap kits to teams and they are not to be changed or modified. Because of this, teams with the machined spacers could face penalties.
Because so many teams were caught using them, NASCAR VP of competition Robin Pemberton said that they might have made it through inspection before:
It’s probably not something that was on a normal inspection routine. The teams are told that they must assemble all that stuff using all the parts that’s in the kit. Once in a while you’ll find things like that and it’s probably something that teams have probably done a little bit in the past.