Revell has issued a kit of the Pennsylvania which, typical of the time, is just the Arizona kit in a different box. The Arizona and the Pennsylvania started out as sister ships but were refitted differently in the 1920's with the Pennsylvania being fitted with an extended flag deck and a extra level in the conning tower to enable her to serve as a fleet flagship.
The photo above, from the US Navy History Site, shows the Pennsylvania in 1934 and you can see the added level in the conning tower, the different shape of the flag bridge, and the different shape of the navigation bridge (which may also have been a level higher than in the Arizona to see over the conning tower).
After the Pearl Harbor attack the Pennsylvania was refitted several times including a large refit in which her single 5"/25's and 5"/51's were replaced by 5"/38's in twin turrets and a lot of the superstructure removed to save weight.
Depending on how much scratch building you are willing to do the Revell Arizona kit could be modified into the Pennsylvania.
Good luck!