Spidertrax:
http://www.spidertrax.com/Front_12
http://www.spidertrax.com/products/spider-9
Then run either the 4340 or the 300m axles. 300m being slightly stonger.
Dynatrac:
http://www.dynatrac.com/aa.html
Junkyard:
I'd be looking for a Dana 70 or 80. Definitely want a full floater.
Any questions, feel free to ask.
