Description
Overview
Roush 427 SRXE Crate Engines
Roush 427 SRXE crate engines are turnkey-ready, high performance powerplants designed to produce significantly more power and torque than their original production predecessors. These engines have been dyno-tested to 480 hp, 500 lbs.-ft. torque, and carry a 2-year/24,000-mile limited warranty. Roush puts the “hot” into hot rods—with premium crate engines assembled for street rodders, car builders, and people looking for the thrill of Roush performance!
427 SRXE engine highlights include:
* 9.5 deck height
* Small block
* Iron 4-bolt block
* Steel crankshaft
* Steel H-beam rods
* Forged aluminum pistons
* Double roller timing chain
* Hydraulic roller lifter
* Aluminum as-cast cylinder heads
* Roller cam
* Aluminum dual plane intake
* Throttle body EFI
Fitment and ordering notes
- Confirm the exact model, part number, configuration, dimensions, and application against the information shown in this listing.
- Review the product images and listed attributes before ordering; fitment can vary by vehicle, equipment, year, and installation setup.
- Contact X Factor Motorsport for availability, fitment, product questions, or freight guidance before purchase.

















