Downs Engineering owner, Mike Downs, has been building and driving race cars since 1966. From Trans Am to Formula One cars the company offers complete services for construction, maintenance page_template.html , repair, and restoration as well as mechanical engineering projects. All projects receive Mike's utmost attention, and are executed with the highest quality materials, proven technology, and quality assurance. His professionalism has earned him an enviable reputation in racing circles.

Downs Engineering specializes in designing and building high performance racing cars. Our Realm Runner race car has been competing successfully in SCCA C-sports racing, winning races and championships. It is affordable and easy to maintain. Please visit our Introduction and Specs pages for more information. Or give Mike a call at 707-938-1011.

Downs Engineering excels in building competitive Suzuki Hayabusa road racing motors. We've developed special parts and systems to make them extremely competitive in SCCA road racing. See our Hayabusa page for information about Suzuki Hayabusa motors and accessories.

Our Hayabusa motors and our various performance systems are available for race cars, custom and kit cars. We have a complete fabrication facility and can supply the custom parts you need to complete your custom project car. Custom parts we make to order include motor mounts, exhaust systems, suspension systems, water and oil tanks, and turbo plumbing. New low profile throttle body kits are available now.

Downs Engineering also specializes in conversions of sand rails and dune buggies to Hayabusa motors and gear drives. We have vast experience in motorcycle engine conversions in all types of cars. Call Mike for more information.