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The Yukon thick ring-and-pinion gear set for GM 12‑bolt truck in a 3.73 ratio is intended for stronger carriers and heavy-duty applications. Yukon applies a refined tooth surface finish to reduce friction and heat and uses high‑grade steel for durability while keeping OEM-style fitment. This set fits GM 12‑bolt truck applications with an 8.875 in. ring gear, 12 ring gear bolts and a 30‑spline pinion.
Yukon Gear High Performance Thick Gear Set For GM 12 Bolt Truck in a 3.73 Ratio
