OMIX-ADA GM 71-81 Rear Axle Shaft 30-Spline 31-5/16" 12 Bolt 4WD
These axle shafts are made with the highest quality materials and with the latest technology to ensure superior fit, performance and appearance. These axle shafts are manufactured from 4140 Chromoly Alloy Steel, forgings Normalized for Uniform Grain Flow, CNC machined and Induction Hardened on a medium frequency hardening machine. Splines are Rolled (versus Hobbing) to add durability for the differential side. Smooth bright surface finish enhances its look and prevents rust.
Installation Requires (1+ Hour):
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