The Off-Road a-arm kit sells for around $3100 and includes everything to bolt up to All late model ball joint or early model link pin frame head.  

This includes Rack and pinion steering, Coilover shocks with springs, High-misalignment bushings and Heim joints, Chromoly arms, Spindle assemblies, Adjustable limit straps and all grade 8 hardware to bolt it in place. The kit does not include brakes. 

  The only modification you'll need to do is Hole saw an opening thru the forward tunnel for the rack and pinion And have a self supported steering column. You may also need to relocate the master brake cylinder location depending on your application.
 
Thanks for your interest and I hope this answers a few of your questions. If there is anything else. Just send me a note.