NEED HELP? CONTACT US! 1(707)-544-6988

Custom Engines


Made 1050 HP and  859 fpt. on pump gas..

Looking for a racing engine, built specially for you? We can build you any size engine you might be looking for. If you are looking for a high-performance machine shop in Sonoma County, consider JNW Engines and Machine. Established in 1982, we are Sonoma County’s leading high-performance machine shop.  For the past 44 years, we have been providing our valued customers in Sonoma County, and around the country, with high-performance engines and precision machining for both domestic and foreign vehicles. We pride ourselves on our excellent customer service and attention to detail on every engine we build.

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We have a team of skilled machinists who have more than 60 years of combined experience in the industry. Specializing in Custom Engines, Factory Rebuilding, Welding, and Precision Machining, our machinists use only the latest tools and equipment when custom-building your engine.  No matter what type of engine you want for your vehicle, we will do it right the first time.

Quality Control With Your Engine Is Our #1 Priority

At JNW Eninge & Machine Performance quality control is an important factor in our customer experience. Careful measures in checking and double checking clearances is our precedence in producing a fast, reliable engine that will bear our responsibility.

If you would like to discuss your application please give us a call 707-544-6988 from 9am to 5pm PST or click here to contact us