to day at pull a part i was able to find a 83 sr5 p/u
4x4 looking at it someone had already taken the axels and gears out of it and left the casein,so i took it and got it for $45.00 what do i need to do to get it ready for a sas in my 89 toy p/u i have the drivers side nuckel but not the passenger side will, this be a prob or will they be replaced anyways or can i find one to replace it thanx for any and all info thanx ...i am looking to run somewhere between 34 to 38 and use the truck for rock crawling and heavy trails

You have a lot of stuff to get.

High Steer, Knuckles. This is what I would get: http://www.trail-gear.com/steering.html

Spindles. Marlin may have them.

Bottom Trunion bearing caps--can be hard to find. Marlin may have some; Trail-Gear is going to start making them.

Hubs for a solid axle

Rotors--go with FJ60 that way you can use the IFS calipers

Birfields and inner axles, I would go with the 30-spline Longfields http://www.longfieldsuperaxles.com/

Diff with gears and locker

Lock out hubs

All the nuts, bolts, and studs to put it together

The rebuild kit for the knuckles can be sourced from Marlin, All-Pro, Sky, Inchworm, or Trail-Gear. You can get most of the hardware (nuts, bolts, and ect. from those places also.

You can use the IFS wheel bearing hubs by buying a widening kit from Sky Mgf. http://www.sky-manufacturing.com/

There is another to do it by moving the calipers to the opposite side of the ears on the knuckles. I do not like it, looks "Booty Fab" to me but many people have had success with it.

What would I do, Find a complete axle and upgrade it. It will have the stuff you need that is not available aftermarket. Keep the housing you bought for a spare, you got it for a good price

X2. Its going to cost more to get all the parts you need than it would cost to get a complete axle.

thanx for all the info