just bought a 2006 f-150 super crew and am getting a 3" leveling kit for it.. wondering if i need a 1" block for the back too?

anyone recommend a certain kit?
haven't decided if i'm running 33's or 35's yet either so any suggestions there too?

 

Any kit is fine, it's a pretty basic concept, just a steel spacer. Just make sure you get ones with the offset. If you're going 3" then yeah add a 1" block in the rear or add a leaf spring. It'll look perfect. As far as 35" tires, I think you'll be fine for fittment as long as you stay with stock rims or specs close to them. You may want to regear though with a tire that big or suffer huge loss in power and fuel mileage.