All tire samples taken from the Coles County Speedway POWRi Keith Kunz Motorsports Challenge event have passed and conform to the benchmark. All checks have been mailed out.
powri
POWRiWest
powriWarSprints
powriqmr
Belle Clair Speedway
Lake Ozark Speedway
Sweet Springs Raceway
IMRA Racing
Port City Raceway
POWRi Stock Mod
Lubbering Oil Co
SpeedyBC Store
S2F
Texas Sprint Series