Yukon Gear & Axle YDAF9-370SVO-31 Ford Limited Slip Differential Spline - 9in Dropout Assembly with Trac-Lok LSD 3.70 Ratio 31

The Yukon Gear & Axle YDAF9-370SVO-31 is a complete dropout assembly designed for Ford 9-inch differentials, offering a performance upgrade for muscle cars, hot rods, and off-road vehicles. Built by expert Yukon technicians, this assembly comes fully shimmed and backlashed to factory specifications, eliminating the time-consuming setup process and ensuring proper gear contact patterns right out of the box.

This dropout assembly features an upgraded Trac-Lok clutch-type limited slip differential that provides superior traction compared to open differentials. The LSD design transfers power to the wheel with the most grip, making it ideal for drag racing, autocross, and off-road applications where maintaining forward momentum is critical.

Key Specifications:

• 3.70:1 gear ratio for balanced performance and fuel economy
• 31-spline axle shafts for increased strength and durability
• Trac-Lok clutch-type limited slip differential included
• Fits all Ford 9-inch third member housings
• Complete dropout assembly ready to install
• Professionally shimmed and backlashed to specification

Important Notes:

• Pinion yoke not included and must be purchased separately
• Compatible with 31-spline axle shafts only
• Professional installation recommended for proper setup and break-in

This dropout assembly eliminates the need for specialized tools and expertise required for differential setup, making it an excellent choice for both professional installers and experienced DIY enthusiasts looking to upgrade their Ford 9-inch rear end with proven limited slip performance.