Richmond Super 8.8 Ring and Pinion Gear Kit; 3.91 Gear Ratio (15-26 Mustang)Find parts that fit my vehicle

High-Performance Drivetrain Product by Richmond. Improve your axle rotation with the high-performance Richmond Super 8.8 Ring Gear and Pinion Kit - 3.91 Gears. This American-made ring gear and pinion kit delivers the goods with precision engineered, computer heat treated parts to withstand the rigors of the trails.

3.91 Ratio. This unit provides a 3.91 ring and pinion gear ratio with a 3.31 or higher carrier break, Ford Super 8.8 differential case design type, and an 8.8-inch ring gear diameter, along with a 43 ring gear tooth count.

Warranty. Richmond guarantees your product is free from defects in materials and workmanship with a 2-year, 100,000 “no-nonsense” warranty. Damage as a result of abuse, neglect or poor quality maintenance will not be covered.

Installation. You should expect to take no more than 3 hours installing this product, with a hard level of difficulty if you have light to moderate mechanical skills.

Application. The Richmond Super 8.8 Ring Gear and Pinion Kit - 3.91 Gears is compatible with all 2015-2026 Ford Mustangs.

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