1973 340 Duster #s matching SoCal

blue73duster said
your rear axle is prob an 8 1/4, wouldnt hurt to post some pics of it,if possible
nice car, good luck !!

If its original it should be an 8 3/4.......all 340 Duster's had the 8 3/4 rear....most were sure grip but there were several open rears.......