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Thorson’s Off-Road,  Home to Ultra4 Racing team Thorson’s Racing. We are a off-road parts, fabrication and off-road race shop located in Santa Rosa, California. Specializing in off-road vehicles, parts and accessories.

When we aren’t working in the shop, we are racing the Ultra4 Racing series in our 4400 Unlimited Class Buggy #666 “Hells Bells”.

Blog

Welcome!

Welcome! Thorson’s Off Road would like to welcome you to our new website! We apologize for the abomination of a page we had before. What can we say, were off road enthusiasts, not web designers (hahah). In the near future, we will be updating the page with both past and current projects, as well as …