Thread: 9" axle I.D.

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I'll have to measure that seal diameter but that was really helpful. I'll have to go out and take a real close look but from my pictures I think I can figure it out. The tag seems to mean it's a 3:50 with a 9" ring gear, the pinion support and the case both point toward a standard 9" with the fill plug, the housing ends look like large bearings and the end of the spline shaft look like 31 spline. No posi is a good thing for me as well.

Thanks a lot guys,

Sean

yep the 3 50 9 is a 3.5 -1 ratio good numbers also and a open 9 inch gear .