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The Yukon USA Standard ring and pinion set for GM 9.5‑inch axles in a 4.88:1 ratio is a direct replacement for stock gears where that ratio is needed. 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 states these sets exceed OEM specs and receive rigorous in‑house dimensional, material and fitment testing.
USA Standard Ring & Pinion Gear Set For GM 9.5in in a 4.88 Ratio
