Relentless Diesel Perf

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OPEN NOW - Closes at 5:00pm

The big news around the shop lately is finally getting our Dynamometer installed. We recently purchased a Dynojet 248 to help with our product development and testing. For more information on the dyno including pricing schedules please click here! We are a full service diesel performance shop located in Willis, Texas. We handle everything performance related from minor performance chips to injectors, turbos, camshafts, clutches, transmissions, complete performance engine rebuilds and even custom built twin turbo applications. We can build you a race truck, or just add some power to your everyday work truck for increased power with reliability. We handle a wide variety of products including: