just picked out a 351w block for free,its a 1994,,has hyd.roller cam..1 piece real main seal okay....my question is where the hell do you get a 408 stroker crank for a 1 piece real main seal ,,,,do they make one ,,or do i need to find another block,,i dont know much about the newer blocks,,i dont see any listed,,the 302s im sure had both kits ,,do the 351ws???have both also 

