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30 Spline And 35 Spline Axle Comparison

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11. Compared to the factory 30-spline axles, the 1.5-inch-diameter, 35-spline G2 4140 chromoly shafts were designed to withstand a much higher level of abuse. Mating to a matching 35-spline ARB locker and a 4:88 G2 ring & pinion in the centersection, traction, strength and proper gearing can all be checked off the list. I’ll have to try really hard to break anything back there with the factory 4.0L powerplant and 35-inch tires.