The Yukon Ring & Pinion Gear Set Ford 8.8" Standard Rotation is engineered for Ford 8.8" axles and remains one of the most well-rounded upgrades for street performance, towing, and daily-driven builds.

Widely regarded as one of the best all-around choices for the Ford 8.8", this ratio delivers a noticeable gain in low-end acceleration while still maintaining comfortable highway manners when paired with overdrive transmissions. The Ford 8.8" platform itself is known for its strength, broad availability, and massive aftermarket support, making it a go-to option for swaps and performance applications.

Includes:

• Ring gear
• Matching pinion gear
• Available Gear Ratio: 3.08, 3.55, 3.73, 3.90, 4.11, 4.30, 4.56, 4.88, 5.13, & 5.71

Sold as a matched gear set

Installation kit, bearings, shims, seals, and carrier components sold separately unless noted.

Specifications

• Brand: Yukon Gear & Axle
• Part Number: YG F8.8-373
• Product Type: Ring & pinion gear set
• Application: Ford 8.8" axle
• Rotation: Standard rotation
• Available Gear Ratio: 3.08, 3.31, 3.55, 3.73, 3.90, 4.11, 4.30, 4.56, 4.88, 5.13, & 5.71
• Ring Gear Diameter: 8.80"
• Pinion Spline Count: 30-spline
• Ring Gear Bolt Count: 10-bolts
• Cover Bolt Count: 10-bolts
• Quantity: Sold as a matched set

Fitment

Tech Insight

1. What vehicles use a Ford 8.8 rear axle?

The Ford 8.8 axle is commonly found in Ford Mustang, F-150, Ranger, Explorer, Bronco, and Mercury vehicles. It is also one of the most popular axle swaps for rock crawlers, trail rigs, and custom off-road builds because of its strength, parts availability, and aftermarket support.

2. Is a 3.73 gear ratio good for larger tires?

A 3.73 gear ratio offers a balance between highway drivability and low-speed torque. It works well with stock to moderately oversized tires and is a popular choice for daily driven trucks, Broncos, Mustangs, and light off-road vehicles.

3. Do I need a master install kit when replacing ring and pinion gears?

Yes. When installing new Ford 8.8 ring and pinion gears, it is highly recommended to replace bearings, races, seals, shims, crush sleeves, and setup components. A complete master install kit helps ensure proper gear setup and long-term reliability.

4. Can I install these Yukon 3.73 gears in a Ford 8.8 limited-slip differential?

Yes. These gears can be installed in both open and limited-slip Ford 8.8 differentials, provided the carrier break and axle configuration are compatible. Always verify your carrier and axle specifications before ordering.