Anyone know the gap for above.Seloc manual shows ---for gap. UL77V plugs.They show -- for all engines with these plugs.plug pkg shows UL77V gp.17 TIA dave
The s/plugs you name are surface gap plugs that have no electrode (gap), and are really cold natured plugs.<br /><br />The proper spark plug for your engine would be Champion QL77JC4 spark plugs, gapped at .040 .