I have a 393 shortblock,roller block ,main studs,girdle,cast crank,h-beam rods,probe forged pistons,had some detonation and took out 1 piston,has some marks in another piston where a piece of ring hit it,no marks at all in the block and could be run with 1 piston,$1000, also have a vic jr intake for a 351 ,$175, any questions call 315-412-8517, Dave