The Yukon Dana 70 ring-and-pinion set in a 4.88 ratio fits Dana Spicer 70 housings with a 10.50" ring gear, 12 ring gear bolts and a 29-spline pinion. Yukon builds ring and pinion sets to OEM fitment, applying advanced heat-treating and precision tooth finishing to reduce friction and heat. The company supports these gear sets with a lifetime Y.E.S. Plan and a wide selection of ratios for different driving needs.
Yukon Gear High Performance Gear Set For Dana 70 in a 4.88 Ratio