Here is my 1994 K1500 with 168,000 miles.
So far what I have done to this is
-Replaced the rear drum brakes
-add/replace brake line to rear
-replace the front brakes(calipers, pads, and rotors)
-add a CB radio with WX
-Tool box
-dual 4ft CB antenna's
-added Towing mirrors
Any future...