Ford Racing 3.55 Ratio 8.8-inch Ring and Pinion Set for 2015-2025 Ford Mustang (M-4209-88355A)

Fits 2015-2025 Ford Mustang models including V6, EcoBoost, GT, Shelby GT350/GT500, Mach 1, and Dark Horse.

Engineered and manufactured to Ford Racing's rigorous performance standards, this 8.8-inch ring and pinion set is designed for durability and precise gear mesh. Featuring a 3.55 gear ratio, this set is an ideal choice for drivers looking to optimize acceleration and drivetrain response. Each gear is finished with a black oxide coating to provide maximum resistance against corrosion and wear under high-stress conditions.

• Manufacturer Part Number: M-4209-88355A
• Gear Ratio: 3.55
• Ring Gear Diameter: 8.8-inch
• Finish: Black oxide coating for corrosion resistance
• Includes: OEM crush sleeve and pinion nut
• Origin: Made in the USA
• Installation: Requires M-4210-B3 installation kit
• Calibration: Requires aftermarket calibration if the vehicle was not originally equipped with this gear ratio

Note: This set is not compatible with 3.15 ratio differentials. For those applications, use differential M-4204-MT or M-4204-M. This part is designed and intended for competition use only and should not be installed on vehicles driven on public roads or highways.