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FWRP 130900 FORD 02 HR

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A major weak point on the Dana 50 (Right) is the 26-spline, 1.375-inch pinion. As you can see from the broken pinion pictured, it was no match for the load and stress of 40s and a powerful diesel engine. The new G2 Axle & Gear Dana 60 (Left) pinion sports a 29-spline count and comes in at 1.625 inches.