Gaskets/Bolts Needed For Cam Swap

anyways, for my cam swap/overhaul I have these:
cam
springs
pushrods
ls6 ported pump
ls2 chain
Now I need these:
Headbolts
Head Gaskets (cause i'm porting ls6 heads also right now so do I order ls6 head gaskets or ls1? or are they the same)
Crank Bolt
I'm also putting on headers so just header gaskets right? or do I need header bolts too (are they one time use?)
Now does anyone have part numbers for these? Is there anything else I need like do I need a timing cover or anything like that? (NOTE My car is a 98)
THANKS for any help

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