There was a time when upgrading or swapping axles under your 4x4 often meant scrounging junkyards for factory axles under a rig a size bigger than yours. After finding a heavy-duty diamond in the ...

No matter where you find them or from whom you're buying, like everything else these days used 4x4 axles have really gone up in price. In the past you could roll the dice that the 1970s Jeep Dana 30 ...