Yes, '80s stuff will fit but you will also need the steering box, pitman arm and drag link since you will be swapping from the older swing arm steering to the newer style box. If you get everything off one truck you will be fine but early in the '80s they swapped to a different fitting design for the pressure lines so you have to make sure everything matches up if you are putting together a setup from various trucks. If it doesn't match up, you could end up having to get a custom pressure line made with different ends rather than just going to a parts store and picking up a line.