The Yukon 4340 Chromoly replacement rear axle for Dana Spicer 80 is a 37‑spline, cut‑to‑length shaft that fits 35.5–39.5 in. applications. Built from high‑tensile chromoly with advanced heat treating, it uses an 8 x 3.96 in. bolt pattern and offers a robust aftermarket option for Dana 80 conversions where a length‑matched, stronger‑than‑stock axle is needed.
Yukon Gear 4340 Chrome Moly Replacement Rear Axle for Dana 80 37 Spline 35.5-39.5in Applications