Difference in aluminum drive shafts?
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Staging Lane
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does anyone know if there is a difference between a 99 ws6 drive shaft and a regular ls1 drive shaft? both are aluminum i think the 99 feels a little heavier but not positive. The 2 different part numbers 12559525-aa the other is 12564004-bx-55-bx-n. I am trying to find out which is stronger. any help would be appreciated.