6 inch Skyjacker & 2 inch leveling kit???

[hunterleggett]

i have a 6 inch skyjacker and a 2 inch leveling kit. with 2 inch block in rear to make everything level. i have 33's right now. how big can i go with tires??? and also. i have a rearend with 345s. what would be the best rearend and gears to get? i'm killing my clutch