Ford Performance 15-26 Mustang 3.73 Ring Gear and Pinion Set

Ford Performance 2015-2026 Mustang 3.73 Ring Gear and Pinion Set

Upgrade your Mustang’s acceleration with the Ford Performance 3.73 Ring Gear and Pinion Set. Redesigned specifically for the 2015+ Mustang IRS center section, these OEM-quality gears are manufactured for strength, quiet operation, and long-lasting performance.

Key Features

• 3.73 gear ratio for improved acceleration and performance
• Fits 2015-2026 Mustang 8.8" IRS center section
• OEM-quality construction for strength and quiet operation
• Superior surface finish, hardening, and manufacturing consistency
• Made in the USA at Ford’s Sterling Axle Plant

Installation Requirements

• Requires Ford Performance M-4210-B3 2015+ Mustang 8.8" ring gear and pinion install kit
• Aftermarket calibration required if vehicle was not originally equipped with this gear ratio

Compatibility Notes

• 3.15 ratio differentials are NOT compatible with 3.31, 3.55, or 3.73 gear sets

Note: Professional installation is recommended to ensure proper backlash, preload, and gear pattern setup.