The Yukon USA Standard ring and pinion set for GM 8.25‑inch IFS (reverse rotation) in a 5.13:1 ratio provides a direct replacement for axle gearing where a 5.13 ratio is required. It fits 2013 and earlier GM 8.25‑inch IFS applications with an 8.25‑inch ring gear diameter, 10 ring‑gear bolts and a 30‑spline pinion. Yukon reports these sets exceed OEM specs and receive rigorous in‑house testing.
USA Standard Ring & Pinion Gear Set For GM 8.25in IFS Reverse Rotation in a 5.13 Ratio