USA Standard Gear Chevrolet, GMC (RWD) Drive Axle Shaft - Rear PN. ZA K630128

GM 12T Rear Axle Kit ZA K630128 81-70 CHV/GMC Rear Axle Kit Fits GM 12T 30 Spline 5 Lug 31-7/16" Long, 630128- 12T GM REAR AXLE KIT, '71-'81, 2WD, 12 BOLT TRUCK, 5 LUG, 31-7/16", 30spl, 1559 BRG, 1 SIDE USA Standard Gear uses advanced alloys and the latest heat-treating technologies to produce a strong, durable axle. This kit contains all the components to replace, repair, or upgrade axle shafts so your vehicle will be up and running fast. USA Standard Gear replacement axles are built to meet or exceed OE quality. Engineered for an exact fit, USA Standard Gear axles are easy to install. They are heat treated to enhance strength and provide years of dependable service. This kit contains all the components to replace, repair, or upgrade axle shafts so your vehicle will be up and running fast. Fits GM 12-Bolt Truck Differential Length 31.4375 in. 30 Spline Rear, 5 x 5 in. Bolt Pattern 2.53 in. OD Wheel Bearing Includes Wheel Bearing, Seal, Diff Cover Gasket, Studs, and Lug Nuts Advanced Heat-Treating Results in a Stronger, More Durable Axle Rear Axle Kit Fits GM 12T Diff 30 Spline 5 Lug 31-7/16" Long