United Auto Supply sponsors the Thunderstox division at the La Crosse Fairgrounds Speedway. These are formerly street-legal cars, with modifications made only for safety. Many of these cars you see on the track, you may have passed on the road over the past several years. No racing modifications, or racing parts are allowed on these cars. These are also normally cars from the 70's, 80's and 90’s. These cars race on a smaller, inner oval, quarter mile track. A minimum weight of 3400 pounds is required and they must race on regular street tires.
You can catch this series and much more every Saturday night April through October at the La Crosse Fairgrounds Speedway!
Federated Auto Parts sponsors drivers and teams in four of racing’s larger series including two national series teams. The Federated Auto Parts Racing drivers include Ken Schrader in the Camping World Truck Series, Kenny Wallace in the Nationwide Series, Jim Inglebright in the K&N Pro Series West and Ken Schrader in the ARCA Series,
For the past 15 years Federated Auto Parts has also been the sponsor of the Nationwide Series race held at Nashville Superspeedway in Lebanon, TN. The weekend kicks off with a pre-race concert followed by action packed racing as the drivers battle it out for the coveted Gibson guitar trophy.