Thunder Works was founded in 1998, with the criteria of meeting (and exceeding) the performance requirements of quality-minded motorheads.

Thunder Works is a small, high-performance and quality-oriented machine shop located in Victorville, the High Desert area of Southern California.

Thunder Works' founder and owner, Marv Grogan, has over 25 years' experience in all aspects of high-performance machining and custom assemblies.

Our Business

What makes Thunder Works special?

Owner and master machinist Marv Grogan, who has a unique talent for creating high-horsepower, winning combinations in his machine work, and part choices and assemblies.

Marv is happy to bring his experience and expertise to work with all his customers in assessing all their torque and horsepower needs.

Who, What, & Where

We Are

We are Thunder Works, a very little shop that makes very big horsepower.

Thunder Works is located at the Western edge of Southern California's Mojave Desert; 'bout halfway between L.A. and Las Vegas, NV.

We specialize in custom, high quality machining and parts for all gasoline (or alcohol) engine applications.