Yukon Alloy rear axle is a reinforced replacement for 8.5-inch GM four-wheel-drive trucks from 1980–1990, manufactured from high-quality alloys with heat treatment for improved durability. It fits 1980–1990 GM 8.5" 4WD trucks, measures 31 1/2" long, has a 28-spline shaft and a 6-lug wheel pattern, offering a direct-fit option for owners needing a sturdy service axle for older GM 4WD trucks.
Yukon Gear 1541H Alloy Rear Axle For 80-90 8.5in GM 4Wd Truck