Yukon 4340 Chrome Moly Replacement Rear Axle For D60 D70 And D80 35 Spline 37-39.5 Inch Applications Yukon Gear & AxleYukon Gear and Axle offers an extensive line of general replacement and high performance axles for passenger car, truck and SUV applications. High quality alloys and the latest in heat treating technologies provide a strong axle for off road, on the street or at the track. Details: Yukon 4340 Chromoly Cut To Length replacement rear axle for Dana 60 70 80 Fits Dana Spicer 60, Dana 70, Dana 80 35 spline Cut to length design fits 37 inch to 39. 5 inch