Maverick Comet 8 " rear out of 76 Comet 2.79 ratio open. 56 1/4 total width, 5x4.5 bolt pattern, perfect for hot rod early Falcon etc.
Also have 8" rear from 65 Fairlane Sports Coupe pretty sure same gear ratio and bolt pattern. 150$ for Maverick diff 75$ for Fairlane diff or 200$ for both