USA Standard Gear Chevrolet, GMC (4WD) Drive Axle Shaft - Rear PN. ZA K630105

GM 12T Rear Axle Kit ZA K630105 81-70 CHV/GMC Rear Axle Kit Fits GM 12T Diff 30 Spline 31-7/16" Long, 630105- 12T GM REAR AXLE KIT, '70-81' TRK, 4WD, 31-7/16", 30spl, 6x5.5", 2.53" OD BRG (1559), 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 back on the road fast. Fits GM 8.875 in. Differential Length 31.4375 in. Rear, 6 x 5.5 in. Bolt Pattern 2.53 in. OD Wheel Bearing 30 Spline Includes Wheel Bearing, Seal, Diff Cover Gasket, Studs, and Lug Nuts Rear Axle Kit Fits GM 12T Diff 30 Spline 31-7/16" Long