Ford Performance M-4209-88373 8.8" 3.73 Ring & Pinion Gear Set for Mustang Rear

Regular price: $222.95
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Sale price: $222.95

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In Stock: 271

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Product Specification:

SKU:FRPM-4209-88373

MPN: M-4209-88373

UPC: 756122132302

Weight: 19.3 lb

Inventory: 271

Type: Ring & Pinions

Vehicle Fitment

Ford vehicles with 8.8" rear axle (Mustang IRS & solid axle applications, custom regear projects)

Features

Ford Performance 8.8" ring & pinion gear set with 3.73:1 ratio
OEM-quality manufacturing with precision CNC-cut and lapped gear teeth
Black oxide coating for improved corrosion resistance
Designed for high-strength performance use in competition and racing
Made in the United States at Ford's axle facility
Quiet and smooth gear mesh compared to many aftermarket units
Ideal for performance acceleration and powerband optimization
Race-proven durability from road and drag racing applications

Specifications

Part Number: M-4209-88373
Gear Ratio: 3.73:1
Axle Type: Ford 8.8" differential
Ring Gear Diameter: 8.800"
Pinion Spline Count: 30 splines
Installation Kit Required: Separate ring & pinion install kit
Position: Rear axle gear set
Finish: Black oxide corrosion-resistant coating

Included Components

1x 8.8" ring gear
1x matching 3.73 pinion gear

Product Description

The Ford Performance M-4209-88373 8.8" 3.73 Ring & Pinion Gear Set is a high-performance upgrade for vehicles with an 8.8" rear axle. Its 3.73:1 final drive ratio improves acceleration and launch response compared to stock ratios, making it ideal for drag, road racing, or performance projects. The gears are CNC cut and lapped for precision, finished with a black oxide coating for corrosion resistance, and designed to operate quietly and reliably under high torque loads.

This ring and pinion set requires a separate installation kit for proper assembly and setup. It is built to withstand the rigors of competition driving while delivering consistent performance and durability. Ideal for custom rear-end upgrades, the M-4209-88373 ensures better torque distribution and improved drivetrain efficiency for enthusiasts and racers alike.