Free shipping is not your friend---------

Balanced assemblies------one manufacture and seller of balanced rotating assemblies has out of balance on EACH end of the crank within reasonable limits-problem is that both ends were in same direction so crank shakes like a train is going past---------

Valve springs off assembled heads--------thats where the culled out springs go-

assembled heads have guide plates, studs, etc-----mostly won't be compatable with your cam specs-------
Crate engine???? how much is the box worth????????
etc, etc, etc