Yukon Gear & Axle Dura Grip Limited Slip Differential Positraction, 30 Spline, 2.73-Up, Compatible with 8.5"/8.6" GM Axle, YDGGM8.5-3-30-1

Dura Grip Positraction from Yukon Gear and Axle provides aggressive traction to both wheels while maintaining a smooth ride. For a variety of on and off road applications.

Compatible with Differentials:
• GM 8.5" Front - 28 Spline
• GM 8.5" Front - 30 Spline
• GM 8.5" Rear - 28 Spline
• GM 8.5" Rear - 30 Spline
• GM 8.6" Rear, '09 & up
• GM 8.6" Rear, '99-'08