Call Rip at Source Automotive. He can set you up with best shiznit and has some great prices. Plus he is in the North West (MILWAUKIE, OREGON). He is an aftermarket performance guru. He builds some darn nice twin kits to boot.
http://sourceautomotive.biz/
The other problem is what determines tearing things up. Should your tires not spin at all and what if they accidentally do? If a tires slips for a split second. If you spin a little bit, but do not dig holes. Look at Moab, tire spin happens a lot even with the best rigs. If happens only on rock...