Partners

In the rigorous environment of Ultra4 Racing, there is no room for any under performing products. This is why Thorson’s Racing partners with the best in the business.


 When things heat up, we know we can count on Amsoil for superior wear protection even in the most extreme conditions. From engine oil to differential oil, Thorson’s Racing only uses “The First in Synthetics”  Please contact us for any and all of your Amsoil needs.

Keeping Hells Bells rolling through the tough terrain are 44″x 19.50″x20″ PitBull Rockers. Pitbull Tires are tough, aggressive and proudly Made In The U.S.A. ! Please contact us for your PitBull Tire needs.

Powering the heart of #666,  is a RPM Engine and Machine built GM LS9. Featuring nearly 1,000HP of supercharged smiles per gallon! Top notch crew that has you covered from your daily driver to your race car.

Directing the hose power from the LS9 to the front and rear axles is a Nor-Cal Transmission Built Reid Cased SH-400 into a Off-Road Design Magnum Box and NP205 Transfercases

#666 front and rear steering  axles consist of Ouverson Engineering sheet metal 2.5Ton Rockwell housings, Billet knuckles, inner c’s, ring and pinion, steering arms, u-joints, spindles, spool, drive flange, and 2″ 47 Spline Axle Shafts. When you need beef, you need Ouverson.

Holding many aspects of Hells Bells together is the only fastening company worth mentioning, ARP. From drive flag studs to rod bolts, we know ARP fasteners are up to the task.

Keeping the LS9 spinning smoothly are King Race Bearings. With their attention to manufacturing and extensive R&D, we feel comfortable knowing we can use every HP the engine has to offer, all day long.

Short course racing is hard on parts. Braking in particular. We’ve use the “other” guys with failure after failure. We now trust our brakes 120% after switching to TBM Brakes. Always a confident pedal feel no matter the abuse, not too mention we can lock up 54″ tires on dry asphalt!

Keeping the electronics on are two Optima Blue Top  batteries. Optima batteries offer superior performance and durability compared to competitors. Contact us for your Optima Battery needs.

To keep the heat at bay, we use products by Design Engineering Inc. From exhaust wrap, to hose protection, DEI has what you need to keep your project cool and quiet. Please contact us if you have any questions pertaining to DEI products.

Weather picking a bad line, or suffering a parts failure, Warn recovery winches always have your back. With almost 70 years in the winching business, you can trust on Warn to get you out of any situation.

Rugged Radios has been our go to for communications since day one. With on site race support and products, you know you can always count on the Rugged team to keep your coms loud and clear.