This Dana 44 front axle kit for the 1969-78 G.M. 1/2 ton & Blazer includes a 1541H left and right hand assembly inner axles for the Dana 44 with 30 splines. The left hand inner axle measures 36.6 inches and 46.4 inches overall. The right hand inner axle measures 18.5 inches and 28.4 inches overall. The axles come with the Spicer 760 U-Joints installed. These axles come with a one year standard warranty against manufacturing defects.