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The Yukon USA Standard 4340 chromoly left-hand inner axle is a 35.46" 30-spline replacement for GM Truck and Blazer 8.5" front differentials from 1979 onward. Built from high-tensile 4340 and heat treated to exceed OE quality, these axles are engineered for exact fit, easy installation and to accept 5-760X series u-joints for dependable on-vehicle service.
USA Standard 4340 Chrome Moly Axle Shaft / Left Hand Inner For 79+ GM Truck & Blazer 8.5in 30 Spline
