The Yukon USA Standard ring and pinion set for GM 9.5‑inch axles in a 4.56:1 ratio provides a direct replacement to achieve that final‑drive ratio. It fits GM 9.5‑inch axles with a 9.50‑inch ring gear diameter, 12 ring‑gear bolts and a 30‑spline pinion. Yukon indicates these sets are built to exceed OEM specifications and are subject to rigorous in‑house dimensional, material and fitment checks.
USA Standard Ring & Pinion Gear Set For GM 9.5in in a 4.56 Ratio