Two sets of axles for the 57-64 Olds/Pontiac 9.3" rear ends. $100 per set. OBO Both sets are 31 spline. One set is 30-1/16" overall length from tip of axle to wheel mounting surface. (Dutchman says these are for a 57 Olds) Second set is 31-11/16" overall length from tip of axle to wheel mounting surface. I took these out of a 59 Bonneville rear.
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I also have a few other 29 spline axles for these rears.