Rear D70 from a dually (approx 72" WMS to WMS?), tag says 4.11's but I have not opened it up to verfiy, pinion turns fine by hand, 35 spline axles, that is all I know about it but the best part is it is only $50
located in Austin
I am not sure you would have to, you would just have very large brakes in the rear....someone else on the board might be able to chime in. I actually bought it to cut the spindles off and re-weld them to a D60 so that I could use 35 spline axles. At this price the options are good.
I guess I don't understand..."make for a FF 9"...are you saying a 9" centersection with these tubes and spindles welded on? I don't see why not but it would be one HEAVY 9"!!! The tubes on this axle are just over 3.5" in diameter and have to be at least 1/2" thick