I've just ordered all my parts.
It ended up costing just under $1,700AUD landed.
CP pistons, 86mm, $759.99
ARP head studs, $257.95
Cometic head gasket (86mm, 1.2mm), $158.99
ARP main studs $165
ARP rod bolts $84.93
Freight to Australia, 3029 $105
TOTAL $1531.95USD