Mr. Strype
This is all the stuff you need from summit.
Rockers - Summit - Part #PRO-66879 $165 OR
#M-6051-A50 $300
Head Bolts - Summit - Part #ARP-154-3601 $38
Head Bolt Washers - Summit - Part #TFS-51400419 $31
Gaskets - Summit - Intake #FPP-1262 <-- matches perfect for GT40X ports, take my word for it. They give you some extra to trim to make it fit perfect, $20
Head Gaskets - Summit - #FMS-M-6051-A302 $30
You are gonna need some MOLY GRAPHITE Assembly lube for your arp bolts, and some anti seize for your bolts that screw into your heads. You can get this stuff at Advance Auto Parts or Auto Zone for like $10.