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The Yukon USA Standard ring and pinion set for AMC Model 20 in a 4.88:1 ratio is a direct replacement for Model 20 differentials needing that ratio. It fits AMC Model 20 applications with an 8.875‑inch ring gear diameter, 8 ring‑gear bolts and a 28‑spline pinion. Yukon states these sets are designed to exceed OEM specs and undergo rigorous in‑house dimensional, material and fitment testing.
USA Standard Ring & Pinion Gear Set For Model 20 in a 4.88 Ratio
