That's a pretty good question! It looks like the core suport my be different if the headlight bucket area. Exterior dimensions should be the same. Go for it!!
Yes, everything will fit just fine. Just make sure you get all of the correct brackets and hardware. You may need to do some wiring though to make the headlights work correctly.
![[Linked Image]](http://s354.photobucket.com/user/tuner4life2/media/1985%20Chevrolet%20G20/0af196fc-488c-4b0f-8091-1734bc205110_zpsrxxv735k.jpg.html)