Helix has just about everything you ll need !

Check out the Helix site. You could almost build a full car here. The have complete crossmembers kit as well as blank ones. Air ride kits and parts , disc brakes , U weld motor mount and brackets , control arms chrome columns , steering joints , tie rod ends TONS of cool products. Check the link you will find some new every time your there.

http://www.thehoffmangroup.com/helix/?rifid=5008