Will this be okay?

So I have a 2011 doublecab running 285x75x 16 with a ready lift 3 inch lift..I currently run 16 x 8 Dick Cepek rims with 4 inch back spacing.. they stick out a bit but I like'em.. LOOK meaty.
Anyway, I'm debating about taking out the ReadyLift and putting in a Toytec ULK... few questions right off the bat.

1. Will I be okay with 16x8 rims with 4 inch of backspacking??
2. The Toytec ULK comes wth the LR UCA since I don't offroad too much I should be good with that but since it comes with Billsteins 5100's which are adjustable what would you set the front at since the coilovers are adjustable "0"???
3. As far as the rear goes I know the ULK comes with an AAL but since I have a 2011 I'm assuming I wouldn't need a whole new leaf pack since I dont' hall much?? thoughts??

Any thoughts or opinions would be appreciated.

 

Im on my phone but navigating on toytec website sucks,
1: you should be fine
2: if I recall correctly the ULK comes with eibach coils correct? If so most people run the billies at .85 w/ eibachs which usually gives 2.6" of lift. Add a 1/4" top plate spacer for 3 full inches
3: 2011 here with an AAL, all you need is new ubolts.

 

If it's the ULK the front will be adjustable coilovers. You'll just have to put them on, see where they are and adjust from there.