I recently purchased a fully forged 408 and will be upgrading to the ls2 chain, do I need this..

Gm crank gear, Gm 3 bolt cam gear for use on LS1, LS2, or LS6 and The LSA/LS9 super HD chain and special Bolts

Or will just the chain itself due?

I purchased the short block and will be swaping my heads,cam,intake etc over to the new engine.

Thanks

 

Might as well get it all, cheap insurance. The bolts aren't really "special" though. The stock bolts will work just fine.