3.73 Ring and Pinion Kit

The Ford Racing M420988373 is a genuine Ford Racing 3.73 gear ratio ring and pinion kit, engineered for enhanced performance and durability in Ford's robust 8.8-inch rear axle. Manufactured in the United States at Ford's Sterling Axle Plant, these gears offer OEM quality with a superior surface finish, hardening, and manufacturing consistency, providing the strongest and quietest 8.8" gears available. This kit is designed to fit any 1986-2014 Mustang V8 or Shelby GT500 equipped with the factory 8.8" rear end housing, including those with Independent Rear Suspension (IRS). It will also fit any Ford vehicle featuring the 8.8" rear end. The package includes the Ford Pinion Nut and Ford Crush Sleeve for a complete installation. This product is designed and intended for competition use only or off-highway use only, and should not be installed on a vehicle driven on public roads and highways.