Narrowed 8.75 rear question

Yes mine is a 48 inch Dana. 8.75 uses the same axle length if 30 or 35 spline. I got mine from Doctor Diff. He figured my axle length from my housing width. If u. It your axles he will be happy to figure the axles for you. Give Cass a call. He is very good at what he does. Kim. Calling Cass. @DoctorDiff
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Dr diff has a recording on his phone it says he's too busy to answer his phone please leave an email message. Well an email is fine I guess but when you're wanting an answer right away it's kind of a waste of time so I just went ahead and got my parts from someone else. You might try Moser.