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The Yukon USA Standard 4340 chromoly right-hand inner axle is a replacement shaft intended for 1979–1987 GM truck and Blazer applications with an 8.5" front differential. Made from high-tensile 4340 and heat treated for durability, it measures 19.15" from spline end to u-joint center and lists a 30-spline interface with compatibility for 5-760X series u-joints.
USA Standard 4340 Chrome Moly Axle Shaft / Right Hand Inner For 79-87 GM / 19.15in
