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Yukon USA standard ring-and-pinion set for GM 12-bolt passenger cars in a 3.42 ratio. This direct-fit replacement is specified for 12-bolt passenger car housings with an 8.875-inch ring gear diameter, 12 ring gear bolts and a 30-spline pinion. Yukon reports the USA Standard sets are made to exceed OEM specification and receive thorough dimensional, material and fitment inspections to support dependable axle rebuilds and correct gear meshing.
USA Standard Ring & Pinion Gear Set For GM 12 Bolt Car in a 3.42 Ratio
