Yukon Ford 8.8" Ring & Pinion Gear Set – Rev. Rotation, 30-Spline
YUKYG F8.8R-331R
The Yukon Ring & Pinion Gear Set – Ford 8.8" Reverse Rotation is engineered for applications requiring reverse rotation gear geometry, such as high-pinion setups and custom driveline configurations.
The Ford 8.8" platform is widely known for its strength, availability, and extensive aftermarket support, making it a go-to choice for swaps and custom applications. When paired with the correct reverse rotation setup, these gears provide dependable performance in demanding environments. As with any gear install, proper setup—including pinion depth, backlash, preload, and contact pattern—is essential to ensure durability, efficiency, and noise-free operation.
Includes:
- Ford 8.8" Reverse Rotation Ring gear
- Matching pinion gear
- Available Gear Ratio: 3.31, 3.55, 3.73, 4.11, 4.56, 4.88, & 5.13
Sold as a matched gear set
Installation kit, bearings, shims, seals, and carrier components sold separately unless noted.
Specifications
- Brand: Yukon Gear & Axle
- Product Type: Ring & pinion gear set
- Application: Ford 8.8" axle
- Rotation: Reverse rotation
- Available Gear Ratio: 3.31, 3.55, 3.73, 4.11, 4.56, 4.88, & 5.13
- 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
| Make | Model | Year Range |
|---|---|---|
| Ford | Expedition | 1997–2024 |
| Ford | F-150 | 1997–2024 |
| Ford | F-250 | 1997–1999 |
| Lincoln | Mark LT | 2006–2008 |
| Lincoln | Navigator | 1998–2014 |
- Ideal for street performance, towing, moderate tire upgrades, and axle rebuilds
- Verify axle tag, spline count, housing application, and current ratio before ordering.
Tech Insight
By changing the gear ratio, you directly impact torque multiplication, acceleration, cruising RPM, and overall drivetrain responsiveness—making it a key tuning point for dialing in both performance and drivability.
Ford 8.8" axles are favored for their strength, availability, and aftermarket support, making them popular in swap projects and performance builds.
Proper setup is critical—pinion depth, backlash, preload, and tooth contact pattern must be dialed in precisely to ensure quiet operation, efficiency, and long gear life.