The Yukon USA Standard ring and pinion set for Dana 70 (4.88 ratio) is a direct replacement gear set for Dana Spicer 70 axles, intended to restore correct final drive ratio and reliable driveline function. Each set is manufactured to exceed OEM specifications and undergoes dimensional, material and fitment testing. Fits 10.50\" ring gear diameter with 12 ring bolts and a 29-spline pinion.
USA Standard Replacement Ring & Pinion Gear Set For Dana 70 in a 4.88 Ratio