About RYR Engines
Robert Yates Racing Engines is owned by legendary former NASCAR Sprint Cup Series Champion car owner Robert Yates. The company was named the exclusive provider of the NASCAR-Approved Spec Engine in 2010.
Robert Yates Racing Engines offers the Spec Engine for purchase either as a kit or fully assembled and dyno’d as well as a complete list of replacement parts or engine maintenance services for any existing or future customer. Currently, the NASCAR-Approved Spec Engine is an alternative in the NASCAR K&N Pro Series, NASCAR Canadian Tire Series, NASCAR Whelen Modified Tour, NASCAR Whelen Southern Modified Tour and select tracks in the NASCAR Camping World Truck Series.
Donnie Lewis has been involved in racing for nearly half a century; starting his career as a machinist in the aerospace industry in 1962 after studying mechanical engineering at LaSalle University. He has since owned and operated his own company, DSL Performance Research and was a Partner in Brownfield Cylinder Head Company in California during the 1980’s. Throughout his career Donnie has built engines and raced competitively in just about anything that goes fast, from go-karts to motorcycles, boats to stock cars. Today he is one of the most accomplished machinists in the sport of stock car racing.
Jimmy Barton has been building race engines since 1978. For over 20 years he served as the master engine builder and part owner of a machine shop in Birmingham, Alabama. His experience includes many years of engine building at the pinnacle of our sport for NASCAR Nationwide and Sprint Cup teams, including Team Amick Engine Development and Chip Ganassi Racing. Jimmy has appeared on Speed Channel’s NBS 24/7 and also holds the current record for “World’s Fastest Pickup Truck” at Bonneville Speedweek, clocking in at 262 miles per hour.
Kathi Davy began her career over 20 years ago as an auto mechanic, and then moved on to an adhesive manufacturing company where she spent well over a decade managing a team in a mass production environment. She graduated cum laude from DeVry University with a Bachelor’s degree in Management and moved to Mooresville, NC to join Robert Yates Racing Engines. Kathi helps manage sales, customer service and data encryption of all inventory using a patented 2D data matrix barcode system that helps NASCAR enforce the engine rules and regulations during track inspection.
Robert Yates Racing Engines operates out of a 22,000+ square foot facility in Mooresville, North Carolina. The shop is outfitted with state-of-the art equipment from Sunnen®, Newen®, SuperFlow, Clausing, Safety-Kleen®, and Columbia Marking Tools to support engine assembly and dyno-testing as well as any rebuilds or engine maintenance requirements by racers using the NASCAR-Approved Spec Engine.