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Yukon USA standard ring-and-pinion set for GM 12-bolt truck differentials in a 4.11 ratio. Intended for 12-bolt truck housings, the set includes an 8.875-inch ring gear diameter, 12 ring gear bolts and a 30-spline pinion for direct-fit replacement. Yukon states the USA Standard kits exceed OEM specification and receive rigorous dimensional, material and fitment testing to ensure dependable gear alignment and final-drive reliability.
USA Standard Ring & Pinion Gear Set For GM 12 Bolt Truck in a 4.11 Ratio
