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The Yukon 4340 chromoly left-hand inner axle for 1969–1980 GM Blazer and truck applications is a heavy-duty replacement front inner shaft built from high-tensile 4340 chrome-moly with cold-rolled splines and advanced heat treating. Meant for Dana 44 differentials, it measures 36.13 inches long, uses 5-760X series U-joints, and carries a 30-spline configuration for correct fitment.
Yukon Gear 4340CM Left Hand Inner Rplcmnt Axle For 69-80 GM Blazer and Truck / Dana 44 / 5-760X U/J
