Ford FR9

Ford FR9
A FR9 on display at the NASCAR Hall of Fame in 2021
Overview
ManufacturerFord
Roush-Yates Engines
Production2009–present
Layout
ConfigurationV8 engine, 90° cylinder angle
Displacement5.9 L (5,870 cc)
Cylinder bore106.172 mm (4.2 in)
Piston stroke82.80 mm (3 in)
Cylinder block materialCompacted graphite iron
Cylinder head materialAluminum alloy
Valvetrain16-valve, OHV, two-valves per cylinder
Combustion
Fuel systemElectronic Port Fuel Injection (EFI) (NASCAR Cup Series)
Carburetor (NASCAR O'Reilly Auto Parts Series)
ManagementMES TAG-400i
Fuel type260 GTX Unleaded provided by Sunoco (2009–2010)
E15 Ethanol provided by Sunoco (2011–present)
Oil systemDry sump
Output
Power output550-950+ hp (410-708 kW) @ 9,000 rpm (depending on displacement.)
Torque outputApprox. 510 lb⋅ft (691 N⋅m) @ 4,900 rpm
Dimensions
Dry weight500 lb (227 kg)
Chronology
Predecessor351 Windsor Small Block (1991–2008)

The Ford FR9 engine is a 5.87-liter, naturally aspirated, V8 racing engine, developed and produced by Ford Motor Company alongside Roush-Yates Engines for competition in NASCAR; starting in 2009. It was Ford's first purpose-built motor produced for oval track racing. The motor is still used today across NASCAR's top 2 divisions by a variety of teams including Penske Racing, Wood Brothers Racing, RFK Racing, Front Row Motorsports, Alpha Prime Racing, and Hettinger Racing.

Specifications

Applications

References

  1. ↑ "FR9: Ford's Historic New NASCAR Small Block". Retrieved July 31, 2026.
  2. ↑ "Roush Yates NASCAR V8 Crate Engine - Ultimate Crate". MotorTrend. Retrieved July 31, 2026.
  3. ↑ "We may have lost Robert Yates to cancer, but his memory lives on in engines like the Ford FR9 EFI V8, which was purpose-built by Roush Yates Engines for Monster Energy NASCAR Cup teams. Find out what went into making this 800 hp powerplant". Engine Builder Magazine. Retrieved July 31, 2026.
  4. ↑ "FORD FR9 EFI V8". Roush-Yates Engines. Retrieved July 31, 2026.
  5. ↑ "Video: Discussing Ford C3, D3, And FR9 Engines With Roush-Yates". EngineLabs. Retrieved July 31, 2026.
  6. ↑ "Ford Performance Parts FR9 NASCAR Cylinder Heads M-6049-E1". Summit Racing. Retrieved July 31, 2026.
  7. ↑ "NASCAR FORD FR9 ENGINE" (PDF). Atlas Copco. Retrieved July 31, 2026.
  8. ↑ "The Power Inside NASCAR® Fuel Injection" (PDF). DXP. Retrieved July 31, 2026.
  9. ↑ "Sunoco Fueled for 15: Celebrating 15 Years of Fueling Victories". NASCAR. Retrieved July 31, 2026.
  10. ↑ "NASCAR Next Gen race car debuts, brings the sport into the 21st century". Motor Authority. Retrieved July 31, 2026.
  11. ↑ "KURT BUSCH'S FORD ENGINE". State Water Heaters. Retrieved July 31, 2026.
  12. ↑ "NASCAR Sprint Cup Engine - Ford's Sprint Car Resurgence - Open Wheel". HOT ROD Network. Retrieved July 31, 2026.
  13. ↑ "NASCAR Race Engines - Arms Race". HOT ROD Network. Retrieved July 31, 2026.