This is the NASCAR Camping World Truck Series’ inaugural race at Rockingham Speedway . . . while Camping World Truck teams have run this right-side tire code (D-4444) in the past, this is the first time they have run this left side code (D-4522) . . . truck teams ran this right-side at both Dover and Michigan in 2011 . . . NASCAR Sprint Cup and Nationwide teams did run this left-side at Fontana earlier this season . . . this tire set-up came out of a Goodyear test at Rockingham in early March . . . drivers participating in that test were James Buescher, Jason Leffler and Timothy Peters . . . teams are required to run inner liners in all four tire positions at Rockingham . . . air pressure in those inner liners should be 12-25 psi greater than that of the outer tire.(Goodyear PR) [Complete tire specs are posted on the Rockingham Race Page](4-13-2012)
