8 1/4 rear question

Another option if you want a lower gear, 87-90 dodge dakota will fit, and most comes with a 355 or 391 gear on the 4x4, you would have to move spring perches to bottom of housing, or if you find a 2wd, their perches are mounted on bottom already, just need to verify gear ratio, it adds about 1 inch on each side ,which with a duster, there is plenty of fender space, and it also will let you use a wheel with more back spacing without the tires rubbing the leaf springs