If you see these retainers without the little oil deflection skirts on them then you can be assured that sooner or later you might drop a valve into your pretty little engine block and break a piston, head or block.
Title: If you see these retainers without the little oil deflection skirts on them then you can be assured that sooner or later you might drop a valve into your pretty little engine block and break a piston, head or block.