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Aluminum is actually worse for the uppers as it bends a bit more and the upper links generally see high compression forces. Uppers you can just run .120 wall steel and be fine.


7075 has good tensile strength and memory, so it may bend when slammed against a rock, but will bend back to its original shape much more readily then steel.


Not sure if I explained that quite right, but thats the way I understand it.


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