It'll fit, but that price sure seems high for an axle that's nearly 30 years old. /forums/images/graemlins/eek.gif $200 is closer to what I'd pay for something like that.
If you decide to use it, use the brake calipers from your current front axle. The banjo bolt on the Dana 44 caliper is different than the one used on the 10-bolt caliper. So just keep the 10-bolt calipers and it should be a quick and easy swap. /forums/images/graemlins/cool.gif