Yukon Gear Dura Grip Positraction For GM 8.5in w/ 28 Spline Axles

Yukon 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 choice. When your vehicle demands performance, durability and strength, choose Yukon Dura Grip. Yukon 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. This unit uses carrier bearing & race part numbers LM102949 & LM102911 for the 8.5" housing (2.891" Race OD) 8.5" GM 28spl DURAGRIP, LRG HUB 2.73&UP POSITRACTION, COMPOSITE CLUTCH Fitment: Buick Apollo Base 1973 Buick Apollo Base 1974 Buick