Yukon Gear Dura Grip Positraction For GM 8.5in & 8.6in w/ 30 Spline Axles - YDGGM8.5-3-30-1 2021 Chevrolet Silverado 3500 HD LT They also feature additional caster

They also feature additional caster compared to stock upper arms for superior on road use with oversized tires

2009 BMW 135i Base

Works well where only an alternator will be used

Compatible with Differentials:

Yukon Gear Dura Grip Positraction For GM 8.5in & 8.6in w/ 30 Spline Axles - YDGGM8.5-3-30-1 2021 Chevrolet Silverado 3500 HD LT They also feature additional casterYukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a high strength nodular case, forged 4320 chromoly spider gears, and composite clutches. For unmatched positraction performance, the Dura Grip is the ultimate