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Axletubes Drill

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While some manufacturers choose to weld in their axletubes, Currie drills and taps each side of the housing six times using bolts to secure the 3-inch tubes to the axle. The advantage of bolting the tubes in instead of welding them is that you can remove the tubes easier if you ever decide that you would like to change the setup. This allows you to modify the width or pinion position, or even convert it to a rear unit, making it the last axle you may ever need to buy.