Yukon 4340 Chrome Moly rear axle for Dana 80, 37 spline. This is a cut to fit axle which fits 39.5 to 43.5 applications. Yukon 4340 Chrome Moly alloy axles offer a strength increase over stock while retaining a low cost. Yukon 4340 Chrome Moly alloy rear axles come with a limited lifetime warranty against manufacturing defects. Product Features:37 spline8 lugCut to length design fits 39.5-43.5 applicationsFits Dana Spicer 804340 Chromoly
