1996 gmc sierra lets lay frame parts list

I am trying to come up with a list of parts I will need to bag my Truck.

Here is what I have so far.
88-98 Chevy 1500 Bag Bracket Kit
includes Front Cups Brackets ,8 Piece Notch Kit, Upper and Lower Axle Brackets,Rear Upper & Lower Shock Tabs, Crossbar, Front Shock Relocator kit

1/2" Front-Back-Side to Side Air Management Kit
includes
 (4) Slam Specialties RE Bags or Airlift Dominator Series Airbags
(8) 1/2" Gravity Werx Hi-Flow Valves (lifetime warranty)
(1) Viair 380 Compressor
(1) Viair 90118 Pressue Switch/Relay
(1) 5 gallon 8 1/2" port tank
(1) SMC 1/2" water Trap
(2) 200psi Dual Needle Gauge
(1) 200psi Single Needle Gauge
(50) 1/2" DOT Airline (black)
(50) 1/4" DOT Airline (black)
(1) 10 Switchbox

Universal Super Pivot Triangulated 4 Link Kit, 1 1/4" DOM
includes
(4) Extra long 4 Link bars to allow for trimming
(4) 3/4-16 RH Weld in Bungs
(4) 3/4-16 RH Super Pivot Rod Ends
(4) 2.5" Bushing Sets
(4) 1/4" Lower Axle Brackets
(4) 1/4" Upper Axle Brackets
(4) 1/4" Short Mounting Tabs
(4) 1/4" Long Mounting Tabs
(1) Grade 8 harware pack

So this is the list that I came up with.  Let me know if there is anything I need to add to get my truck bagged.  Remember my truck is completly stock right now.  Will I need drop spindles or lower A arms or both?