Yukon Gear & Axle ZG C8.25-390 Ring and Pinion Gear Set 3.90 Ratio Chrysler 8.25

The Yukon Gear & Axle ZG C8.25-390 is a high-performance ring and pinion gear set engineered specifically for Chrysler 8.25-inch rear differentials with a 3.90:1 gear ratio. This USA Standard gear set delivers the perfect balance of acceleration and fuel economy for street performance, off-road, and towing applications.

Key Features:

• Precision-manufactured 3.90:1 ring and pinion gear set for Chrysler 8.25" differentials
• Advanced gear tooth design ensures quiet operation and reduced wear
• High-strength steel construction for maximum durability under load
• CNC-machined for precise fitment and optimal gear contact pattern
• Heat-treated for enhanced strength and longevity
• Easy setup with proper installation tools and experience
• Backed by USA Standard one-year manufacturer warranty

USA Standard Gear sets utilize the latest computer-aided design and modern manufacturing technologies to produce gears that run quieter and last longer than conventional aftermarket gear sets. The 3.90 ratio provides improved acceleration over taller factory gears while maintaining reasonable highway cruising RPM. Commonly found in Chrysler vehicles including Dakota, Durango, and various Jeep models equipped with the 8.25-inch rear axle.

Note: Professional installation is strongly recommended. Proper setup requires special tools, including dial indicator, inch-pound torque wrench, and gear marking compound. Installation kit with bearings and seals sold separately.