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The Yukon thick ring-and-pinion gear set for GM 12‑bolt truck in a 4.56 ratio suits heavier carriers and applications requiring extra tooth strength. Yukon applies a finished tooth surface to reduce friction and heat and builds the gears from high‑grade steel with OEM-style fitment. This thick gear set fits GM 12‑bolt truck applications with an 8.875 in. ring gear, 12 bolt pattern and a 30‑spline pinion.
Yukon Gear High Performance Thick Gear Set For GM 12 Bolt Truck in a 4.56 Ratio
