The Yukon ring-and-pinion set for Dana 80 (5.13 ratio) is a direct replacement gear set intended to restore correct final-drive gearing and torque multiplication in Dana 80 applications. The 11.25" ring gear with 12-bolt pattern and a 37-spline pinion matches Dana Spicer 80 configurations. Yukon’s USA Standard line is tested to exceed OEM specifications with in-house dimensional and fitment checks for reliable service.
USA Standard Replacement Ring & Pinion Gear Set For Dana 80 in a 5.13 Ratio