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The Yukon USA Standard ring-and-pinion set for Ford 9-inch differentials (3.70 ratio) is a direct-fit solution for 9" axle rebuilds and final-drive ratio changes. Each set receives Yukon’s in-house quality evaluation to surpass OEM dimensional and fitment standards. Fits a 9.00" ring gear diameter with 10 ring gear bolts and a 28-spline pinion, built for Ford 9" applications requiring a 3.70 ratio.
USA Standard Ring & Pinion Gear Set For Ford 9in in a 3.70 Ratio
