Contact Us »


750 E. 71st Ave
Denver CO 80229

Western Engine Supply, Inc. has been serving the Automotive Industry for over 30 years.  As a well established business, we feel the reason for our success is the fact that we’ve had the same ownership and location since our inception.

Western Engine Supply proudly serves the Rocky Mountain Region with all of their engine needs. Our professional team consists of 14 full-time employees consisting of machinists, mechanics, and office professionals.    To date, we have built and have sold over 12,500 long block engines.

Our shop is over 14,000 square feet and we have all the latest in equipment for machining your engine block, cylinder heads, crankshafts and connecting rods. We also balance engines and do custom work.

We are active members of AERA – Automotive Engine Rebuilders Association and the ONLY engine rebuilder in Colorado that belongs to the elite PERA – Production Engine Remanufacturer's Association.

We are a complete automotive machine shop and we also offer engine installation services.

Feel free to contact us with any question or comments you may have.


As of May 2020 we would like to welcome Rebuilders Supply of Colorado, Inc. to our location.  Rebuilders brings with it not only a warehouse of engine parts but also their expertise in engine parts.  Rebuilders is a wholesale distributor of new internal engine parts for automotive, truck and high performance engines for both domestic and imports.