I see no point in replacing the rear axle shafts unless absolutely necessary. The main thing I'd keep an eye on is the bearings and seals. If you ever notice leakage around the back of the brake drum (not at the wheel cylinder) then it's time to change the seals.
Unless you have a ton of...
All prices negotiable within reason.
Most parts are from/for a 2nd gen. 4Runner or are universal. I am located in Western North Carolina- specifically Hendersonville.
Thanks for looking!
Air box, silencer and all hoses except throttle body
and valve cover hose $10
Factory 3vze fan...