The Revolution Gear & Axle Dana 30 Reverse Rotation Ring and Pinion Set is engineered to provide reliable performance and precision for high-pinion front axle applications. Featuring a 4.10 gear ratio, this set is an essential upgrade for restoring lost torque and improving drivetrain efficiency after installing larger tires or replacing worn factory components.

• Fits Dana 30 Reverse Rotation (High Pinion) front axles
• 4.10 Gear Ratio for optimized torque delivery
• Precision-lapped gear teeth for quiet operation and accurate contact patterns
• Manufactured from high-strength, heat-treated steel to withstand off-road stress
• Manufacturer Part Number: D30-410R

Upgrade your drivetrain with this precision-engineered Revolution Gear & Axle ring and pinion set. Designed specifically for Dana 30 reverse rotation (High Pinion) front axles, this 3.73 ratio gear set provides the durability and mesh accuracy required for both daily driving and off-road performance. Whether you are re-gearing for larger tires or replacing a worn gear set, this kit delivers the reliability needed for demanding environments.

• Axle Fitment: Dana 30 Reverse Rotation (High Pinion)
• Position: Front Axle
• Gear Ratio: 3.73
• Engineered for precise gear mesh and optimal tooth contact
• Manufacturer Part Number: D30-373R

Fits select 1983-2014 Ford, Lincoln, and Mercury vehicles (including Mustang, F-150, Bronco, and Ranger) equipped with an 8.8-inch differential.

This Ford Racing ring and pinion set is engineered for maximum durability and precise fitment. Featuring a 4.10:1 gear ratio, this set is a primary choice for drivers looking to improve off-the-line acceleration or restore performance after installing larger-diameter tires on trucks and SUVs. These gears are CNC-cut and lapped to ensure a precise tooth mesh, resulting in quieter operation and superior strength compared to inferior aftermarket alternatives.

To protect against environmental wear and gear oil additives, each set is finished in a heavy-duty black oxide coating for enhanced corrosion resistance. As a genuine Ford Racing component, these gears meet rigorous testing standards and are designed to bolt directly into the factory 8.8" housing.

• Ratio: 4.10:1
• Differential Fitment: Ford 8.8-inch
• Manufacturing: CNC-cut and lapped teeth for high-strength gear contact
• Finish: Black oxide coating for corrosion resistance
• Origin: Made in the USA
• Manufacturer Part Number: M-4209-88410

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

Improve your Mustang's acceleration and driveline performance with the Ford Racing 3.73 Ratio 8.8-inch Ring and Pinion Set. These gears are engineered and tested to provide precise tooth contact and maximum durability. Each set features a black oxide finish to resist corrosion and is manufactured in the USA to OEM quality standards, ensuring a quieter and stronger gear mesh compared to generic alternatives.

• Ratio: 3.73:1
• Ring Gear Diameter: 8.8-inch
• Finish: Black Oxide Coating
• Hardware Included: OEM Crush Sleeve and Pinion Nut
• Manufacturer Part Number: M-4209-88373A
• Origin: Made in the USA

Installation Notes: Requires M-4210-B3 installation kit. Aftermarket calibration is required if the vehicle was not factory-equipped with this gear ratio. Note: Factory 3.15 ratio differentials are not compatible with this 3.73 gear set; use differential M-4204-MT or M-4204-M for compatibility. This part is intended for competition use only and is not legal for use on public roads or highways.

Fits select 1983-2014 Ford, Lincoln, and Mercury vehicles including Mustang, F-150, Ranger, Crown Victoria, and Bronco.

This Ford Racing 8.8-inch ring and pinion set is engineered for high-performance applications, offering a 3.73:1 gear ratio to enhance acceleration and torque delivery. Each set is CNC-cut and lapped to ensure precise gear tooth geometry and reliable operation under load. The gears are finished with a black oxide coating, providing superior corrosion resistance for long-term durability in demanding environments.

• Manufacturer Part Number: M-4209-88373
• Gear Ratio: 3.73:1
• Differential Fitment: Ford 8.8-Inch
• Finish: Black Oxide Coating
• Construction: CNC Cut and Lapped Teeth
• Origin: Made in the USA

Important Compatibility Note: 3.15 ratio differentials are not compatible with this 3.73 gear set. For those applications, use differential model M-4204-MT or M-4204-M. This part is designed and intended for competition use only and is not legal for use on public roads or highways due to emissions and safety regulations.

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.

Fits select 1983-2014 Ford, Lincoln, and Mercury vehicles equipped with an 8.8-inch rear differential, including Mustang, F-150, Ranger, and Town Car.

This Ford Performance ring and pinion set (MPN: M-4209-88355) is engineered to deliver a precise 3.55 gear ratio for the ubiquitous 8.8-inch housing. These gear sets are manufactured using CNC cutting and lapping processes to ensure high strength and a smooth tooth contact pattern for quiet operation. Each set features a black oxide coating to provide long-lasting corrosion resistance within the differential housing.

• Manufacturer Part Number: M-4209-88355
• Ring Gear Diameter: 8.8 Inches
• Gear Ratio: 3.55:1
• Construction: CNC Cut and Lapped Gear Teeth
• Finish: Black Oxide Coating for corrosion resistance
• Country of Origin: Made in the USA
• Quality: Manufactured to Ford OEM standards for performance applications

Fits select 1983-2014 Ford, Lincoln, and Mercury vehicles equipped with an 8.8-inch differential.

Engineered to meet rigorous performance standards, this Ford Performance ring and pinion set (M-4209-88331) is the professional choice for restoring or upgrading your vehicle's final drive ratio. These gears are CNC-cut and lapped to ensure precise tooth contact patterns and quiet operation. Each set is finished with a black oxide coating for enhanced corrosion resistance and durability in demanding conditions.

• Ring Gear Diameter: 8.8 inches
• Gear Ratio: 3.31:1
• Construction: CNC Cut and Lapped teeth
• Finish: Black Oxide coating
• Origin: Made in the USA
• Manufacturer Part Number: M-4209-88331

Whether you are replacing a worn factory set or adjusting your gear ratio for specific driving needs, these gears provide the OEM-level quality and race-proven strength expected from Ford Performance components.