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The Yukon thick ring-and-pinion gear set for GM 12‑bolt passenger car in a 4.11 ratio is made for stronger carriers and applications requiring a heavy-duty tooth profile. Yukon uses high‑grade steel and a finished tooth surface to reduce friction and heat while maintaining OEM-style fitment. This set fits GM 12‑bolt passenger car 8.875 in. ring gear with 12 bolts and a 30‑spline pinion and suits 3.90 and down carriers.
Yukon Gear High Performance Thick Gear Set For GM 12 Bolt Car in a 4.11 Ratio
