Yep, here are a few pics of a friend of mines '89 truck after he put on a pair of Aisin hubs last year.

http://www.toyotaoffroad.net/tando/hosting/jimhub1.jpg

http://www.toyotaoffroad.net/tando/hosting/jimhub2.jpg

It looks good by leaving off the top part of the cap.
I am not sure if he had to cut them, or if the outer piece just pops off leaving the hole.