Description Product Reviews YAW24126 Yukon Front 4340 Chrome-Moly Axle Kit '79-'87 Dana 44/GM 8.5" 19/30 Spl 30 spline inner and 19 spline outer Fits GM 8.5" in 1979-1987 GM 1/2 ton Includes inner and outer 4340 Chromoly axles and Spicer U-Joints