Ford FR9 EFI V8 
Ford FR9 Carb V8 
Mustang 5.2L V8 
Roush Yates Engines RY45 V8 Skillfully Crafted and Built
A DEDICATED TEAM OF ENGINEERS, TECHNICIANS AND FABRICATORS WORK TOGETHER TO BUILD WORLD-CLASS RACE ENGINES
Ford FR9 EFI V8
The Ford FR9 EFI engine delivers on power and performance. This reliable fuel injected engine proves to be successful with our Monster Energy NASCAR Cup Series customers.
Roush Yates Engines has a world-class team of calibration engineers, on-site chassis dyno technicians, and trackside program managers to provide support week in and week out.
Ford FR9 Carb V8
Roush Yates Engines in partnership with Ford Performance built the first purposed built engine for NASCAR, the Ford FR9 V8 engine. This exclusive carbureted engine is used in the NASCAR Xfinity Series.
Ford Mustang 5.2L V8
The Mustang 5.2L V8 race engine was built to power the Ford Mustang GT4 race car. This race car was developed to compete in the IMSA Michelin Pilot Challenge Series - Grand Sport (GS) class.
Roush Yates Engines RY45 V8
Roush Yates Engines RY45 engine is a purposed built V8 engine to support Dirt Late Model, Off-Road Truck, Marine, Hill Climbing and Drifting competition.
Each aluminum small block engine is customized from a select offering of components.