I can measure mine from flange to flange later today and see. You may have gotten 2 long side axles in the deal, or they stuck F150 axles in there which kinda sucks. This means your either gonna have to buy 2 new short side axles, or hit the pick n pull and dissassemble 2 rears to get the short side xploder axles. Pretty weld from tubes to housing though. If it is is the proper length all the hard work is done for you. Look inside both tubes and see if there is a cut and weld up line. Should only be a cut and weld up line in the left tube. This is the side where the vent nipple is. If its only on left side tube, and it matches length on the righ, then your prob ok. I will still check length on mine for you anyways.