Fresh 604 for sale,new rings,bearings,block has been honed with plates,new springs an retainers,new scorpion rockers,heads cc'd and new valve job,comes with fuel pump,water pump,power steering pump,serpertine pulley,hei dist, engine is still at engine shop,has gm bolts. engine was on dyno today,made 4 pulls on dyno to seat rings. dynoed at 450 hp.. $6000