I have 285-60x18's (31.5" tall, same as stock) with a 4.56 gear. No problems hooking up.

 

im runnin an Eaton and 4.10's hooks up fine and I got a 29" tire (285/50/18) and uh I'd deffinitly go 4.10's and 45 series tires.. 275's

stock height i used to have 285/50/20's... but uh

too much tire make wheel look smaller........