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Yukon USA thick ring-and-pinion set for GM 12-bolt truck differentials in a 4.11 ratio. Designed for 12-bolt truck housings, it features an 8.875-inch ring gear diameter, 12 ring gear bolts and a 30-spline pinion for proper installation. Yukon indicates these thick-gear kits are produced to exceed OEM specification and undergo dimensional, material and fitment testing to support reliable axle rebuilds and correct gear meshing.
USA Standard Ring & Pinion Thick Gear Set For GM 12 Bolt Truck in a 4.11 Ratio
