In answer to your original question, yes there are gaskets.
'09 Pontiac G8 GXP, A6, Sunroof, MGM, #1664 of 1829
LS3, with LSA Blower, ACE ported heads, BTR springs and retainers, Straub trunnion upgrade, RCR cam, Kooks LTs/mids, Hooker SS MaxFlow mufflers.
BMR Rear LCA's, stabilizers, end links, front LCA bushings, rear toe links/trailing arms, Pedders Street II kit, including subframe and diff bushings.
Hawk pads, Brake Performance slotted and dimpled rotors, Russell stainless lines, Super Blue fluid.
Best 1/4 time, then- 12.52 @ 114.47, 1.94 60ft.