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Yukon USA standard ring-and-pinion set for GM 12-bolt truck differentials in a 4.56 ratio. Specified for 12-bolt truck housings, the kit includes an 8.875-inch ring gear diameter, 12 ring gear bolts and a 30-spline pinion for direct replacement. Yukon reports these USA Standard sets are made to exceed OEM specification and receive rigorous dimensional, material and fitment testing to ensure dependable final-drive performance.
USA Standard Ring & Pinion Gear Set For GM 12 Bolt Truck in a 4.56 Ratio
