I think there are others that will work - but I've forgotten the details.
It has to do with the width, non-vacuum disconnect, the 6 on 5.5" lug pattern that matches what Nissan uses, driver-side differential etc etc... the 80-85 ones definitely have all that stuff right. If you go outside those years you'd better be very "up" on all these details and really know what you're getting
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