Timing chain misalignment

I bought a double roller set for my ex's slant six from NAPA, but had to order each gear and chain seperately...


You can still do that from Cloyes parts:

c168 (chain)
s338 (cam gear)
s339 (crank gear)


But they are cast, and have only one timing keyway/mark. The JP stuff is billet and adjustable.