Ford Racing frpM-4209-88355A - 3.55 Ratio 8.8-Inch Ring and Pinion Set

Ford Racing ring and pinion sets are engineered, manufactured, and tested for maximum performance. These ring and pinion sets are finished in a black oxide coating for corrosion resistance, and are available in many different ratios to fit a variety of Ford differentials. ** Note: 3.15 Ratio Differential not compatible with 3/31, 3.55, 3.73 and 4.09 ratio gears. Use differential M-4204-MT or M-4204-M. * This part is designed and intended for competition use only. It should not be installed on a vehicle that is driven on public roads and highways. Installation of this art on a vehicle driven on public roads and highways is likely to violate U.S. and Canadian laws and regulations relating to motor vehicle emissions. Ring Gear And Pinion Set; 3.55 Gear Ratio; 8.8 in. Ring Gear Dia.; Incl. Ring And Pinion/OEM Crush Sleeve/Pinion Nut; For Use w/Super Independent Rear Suspension Center Section;

• Requires Aftmkt Calib. If Vehicle Not Equipped w/This Gear Ratio
• OEM Quality Provides The Strongest/Quietest Gears On The Market
• Incl. OEM Crush Sleeve and Pinion Nut
• Requires M-4210-B3 Install Kit
• Made in the USA

Brief Description: The Ford Racing frpM-4209-88355A ring and pinion set is designed for the Ford 8.8-inch differential and features a 3.55 gear ratio. Engineered, manufactured, and tested for performance, the set has a black oxide coating for corrosion resistance and is intended for use with a Super Independent Rear Suspension center section.

Key Features & Performance Benefits:

• 3.55 Gear Ratio: Provides the specified 3.55 ratio for compatible Ford differential applications.
• 8.8-Inch Ring Gear: Designed around an 8.8-inch ring gear diameter.
• OEM-Quality Construction: Ford Racing states that the gears provide strong and quiet operation.
• Black Oxide Coating: Helps provide corrosion resistance.

Key Product Specifications & Technical Data:

• Brand: Ford Racing
• Part Number: frpM-4209-88355A
• Product Type: Ring and pinion set
• Gear Ratio: 3.55
• Ring Gear Diameter: 8.8 inches
• Application: Super Independent Rear Suspension center section
• Required Installation Kit: M-4210-B3
• Origin: Made in the USA

What's Included in the Box: Ring and pinion, OEM crush sleeve, and pinion nut.

Fitment: Fits 2015 and 2016 Ford Mustang applications. Aftermarket calibration is required if the vehicle is not equipped with this gear ratio. This part is designed and intended for competition use only and should not be installed on vehicles driven on public roads or highways. The 3.15 ratio differential is not compatible with 3.31, 3.55, 3.73, or 4.09 ratio gears; use differential M-4204-MT or M-4204-M where applicable.

Fitments:
2015 Ford Mustang EcoBoost
2015 Ford Mustang EcoBoost Premium
2015 Ford Mustang GT
2015 Ford Mustang GT 50 Years Limited Edition
2015 Ford Mustang GT Premium
2015 Ford Mustang Shelby GT350
2015 Ford Mustang Shelby GT350R
2015 Ford Mustang V6
2016 Ford Mustang EcoBoost
2016 Ford Mustang EcoBoost Premium
2016 Ford Mustang GT
2016 Ford Mustang GT Premium
2016 Ford Mustang Shelby GT350
2016 Ford Mustang Shelby GT350R
2016 Ford Mustang V6
2017 Ford Mustang EcoBoost
2017 Ford Mustang EcoBoost Premium
2017 Ford Mustang GT
2017 Ford Mustang GT Premium
2017 Ford Mustang Shelby GT350
2017 Ford Mustang Shelby GT350R
2017 Ford Mustang V6
2018 Ford Mustang EcoBoost
2018 Ford Mustang EcoBoost Premium
2018 Ford Mustang GT
2018 Ford Mustang GT Premium
2018 Ford Mustang Shelby GT350
2018 Ford Mustang Shelby GT350R
2019 Ford Mustang Bullitt
2019 Ford Mustang EcoBoost
2019 Ford Mustang EcoBoost Premium
2019 Ford Mustang GT
2019 Ford Mustang GT Premium
2019 Ford Mustang Shelby GT350
2019 Ford Mustang Shelby GT350R
2020 Ford Mustang Bullitt
2020 Ford Mustang EcoBoost
2020 Ford Mustang EcoBoost Premium
2020 Ford Mustang GT
2020 Ford Mustang GT Premium
2020 Ford Mustang Shelby GT350
2020 Ford Mustang Shelby GT350R
2020 Ford Mustang Shelby GT500
2021 Ford Mustang EcoBoost
2021 Ford Mustang EcoBoost Premium
2021 Ford Mustang GT
2021 Ford Mustang GT Premium
2021 Ford Mustang Mach 1
2021 Ford Mustang Shelby GT500
2022 Ford Mustang EcoBoost
2022 Ford Mustang EcoBoost Premium
2022 Ford Mustang GT
2022 Ford Mustang GT Premium
2022 Ford Mustang Mach 1
2022 Ford Mustang Shelby GT500
2023 Ford Mustang EcoBoost
2023 Ford Mustang EcoBoost Premium
2023 Ford Mustang GT
2023 Ford Mustang GT Premium
2023 Ford Mustang Mach 1
2024 Ford Mustang Dark Horse
2024 Ford Mustang Dark Horse Premium
2024 Ford Mustang EcoBoost
2024 Ford Mustang EcoBoost Premium
2024 Ford Mustang GT
2024 Ford Mustang GT Premium
2025 Ford Mustang Dark Horse
2025 Ford Mustang Dark Horse Premium
2025 Ford Mustang EcoBoost
2025 Ford Mustang EcoBoost Premium
2025 Ford Mustang GT
2025 Ford Mustang GT Premium

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: N
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1