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The Yukon thick ring-and-pinion gear set for GM 12‑bolt truck in a 4.11 ratio is designed for robust carrier applications and uses a heavier gear profile where needed. Yukon machines a tooth surface finish to reduce friction and heat and uses high‑grade steel while maintaining OEM fitment dimensions. This set fits GM 12‑bolt truck 8.875 in. ring gear applications with 12 bolts and a 30‑spline pinion.
Yukon Gear High Performance Thick Gear Set For GM 12 Bolt Truck in a 4.11 Ratio
