I have a fairly new pair of Moser 31 spline axles for a 9"... They're 32" long, and are currently in my truck... They have the Big Ford New style retainers... But these are easily changeable as they don't fit over the axle, they slip around it...They have 9 1/8 mile passes on them... I am going with a narrower rearend and ladder bar rear suspension, so I won't be needing these anymore... I paid $438.00 shipped when I got them, I'm looking to get $350.00 shipped ONLY to the lower 48...