The Yukon USA Standard 4340 chromoly inner axle is a replacement for Dana 60 front differentials used in 1978–1979 F350 Snofighter applications. Constructed from high-tensile 4340 and heat treated to resist trail and worksite stress, it measures 18.70" from spline end to u-joint center and uses a 35-spline interface for dependable service replacement.
USA Standard 4340 Chrome-Moly Replacement Inner Axle For Dana 60 / 78-79 F350 / Snofighter