Have Belltech 5303 what else is needed?

[93-306]

I have a set of 5303 springs and was wondering what else I will need to make the front level with the rear on my 04 4x4 Tahoe

 

[NORCAL SS]

I have a set of 5303 springs and was wondering what else I will need to make the front level with the rear on my 04 4x4 Tahoe

I have shock extenders here less than 3000 miles from belltech $45 plus shipping which is needed in rear.

Front you can do djm keys for 100 shipped or I have the belltech spinldes for 280 shipped