AxleTech International
Off Highway PlusOrder Parts Online

Ford Performance Parts selects US Gear as the exclusive manufacturer for the Ford Mustang Super 8.8 series 4.09 Gear Set

Troy, Michigan – Ford Performance Parts selected US Gear, a brand of AxleTech International, to manufacture the Super 8.8 ring and pinion gear set in the 4.09 ratio, which is exclusive to Ford Performance Parts. 

The high performance gears are designed for 2015 and newer Ford Mustangs, which feature a new Independent Rear Suspension (IRS) 8.8 inch rear end. This aftermarket application enables racers and enthusiasts to upgrade their vehicle’s performance.

“As one of the few remaining U.S. aftermarket gear manufacturers, we are privileged to support Ford Performance Parts as they recognize the importance of high quality and American-made gears. We have recently invested in our gearing facility in Chicago, Illinois to support demand for high performance gears, and our relationship with Ford Performance Parts solidifies our commitment to the racing and enthusiast industry,” said Bill Gryzenia CEO of AxleTech International.

US Gear manufactures high performance gears for a wide range of differential models. Specific to the newer Ford Mustangs, US Gear offers two additional ratios: 3.73 and 3.91. All ring and pinion gears are available in standard or Lightning Series superfinish options.

For more information about US Gear or AxleTech International, please visit or

* * * * *

About US Gear

US Gear, a brand of AxleTech International, is based in Chicago, Illinois. US Gear designs and manufactures differential and transmission components for commercial off-highway, defense, and high-performance vehicles. Manufacturing capabilities include gear analysis, gear cutting, and heat treat processing.

About AxleTech

AxleTech International, based in Troy, Michigan, is a manufacturer and supplier of heavy-duty and specialty vehicle drivetrain systems and components to original equipment manufacturers and the aftermarket for commercial and defense customers around the world. The company has manufacturing, distribution, and engineering facilities in Troy, Michigan, Oshkosh, Wisconsin, Chicago, Illinois, Saint-Étienne, France, Osasco, Brazil, and Pune, India.

Media Contact

Cynthia Norris

# # #