{HEAD ~ An ignition coil} and spark plug are associated with {TAIL ~ each cylinder} of the engine 
associated with
{ HEAD ~ An ignition coil } and spark plug are associated with { TAIL ~ each cylinder } of the engine
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH