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The Yukon 4340 chromoly axle kit replaces Dana 60 front axles using heavy-duty 4340 chromoly construction, cold-rolled splines and advanced heat treating for improved strength. This kit includes inner and outer axles for both sides plus Yukon Super Joints and hardware—specified for Dana 60 differentials with a 35‑spline configuration and intended for 1977–1991 GM applications where a stronger replacement axle is required.
Yukon Gear Front 4340 Chrome-Moly Replacement Axle Kit For 77-91 GM / Dana 60 w/ 35 Splines
