Yukon Gear & Axle YG F8.8-390 Ring and Pinion Set 3.90 Ratio Ford 8.8

The Yukon Gear & Axle YG F8.8-390 is a high-performance ring and pinion gear set engineered specifically for Ford 8.8-inch rear differentials with a 3.90:1 gear ratio. This gear set delivers the perfect balance of acceleration and fuel efficiency, making it ideal for vehicles with larger tires, increased horsepower, or those seeking improved towing capability and off-road performance.

Key Features:

• Precision-engineered 3.90:1 gear ratio for Ford 8.8" rear axles
• Advanced heat-treating process ensures maximum strength and durability
• State-of-the-art design with superior surface finish and precise tooth contact pattern
• Exceeds OEM specifications for noise, vibration, and performance standards
• Compatible with both limited-slip and open differentials
• Backed by Yukon's Y.E.S. Plan lifetime protection coverage

Yukon Gear & Axle utilizes cutting-edge manufacturing processes and rigorous quality testing to ensure each ring and pinion set meets the highest industry standards. The 3.90 gear ratio provides excellent low-end torque multiplication, making it a popular choice for street performance vehicles, light towing applications, and trucks running 31-33 inch tires. Professional installation with proper setup tools and new bearings is required for optimal performance and longevity.