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Yukon USA thick ring-and-pinion set for GM 12-bolt passenger cars in a 4.11 ratio, noted as thick gear for 3.90-and-down carriers. Designed for 12-bolt passenger car housings with an 8.875-inch ring gear diameter, the kit includes 12 ring gear bolts and a 30-spline pinion for correct fitment. Yukon says these sets are made to exceed OEM specification and undergo dimensional, material and fitment testing for dependable service.
USA Standard Ring & Pinion Thick Gear Set For GM 12 Bolt Car in a 4.11 Ratio
