* May be used with either LEADED or UNLEADED
fuels but if used with LEADED fuel, they must be replaced at 15,000 mile (24,000
km) intervals ** Plugs must not be 're-gapped' in service, if gap is not as
specified, plug(s) must be replaced + May only be used with LEADED fuel ++ New
plugs must have the gap set to 1.4 mm (0.055 in) prior to installation, plugs
must not be 're-gapped' in service, if gap is not as specified, plug(s) must be
replaced