Honda vtx 1800 spark plugs Source Source Source Source Source Source Source Read Also: How to change spark plugs on honda vtx 1800 2002 Honda vtx 1800 spark plugs 2004 Honda vtx 1800 spark plugs 2007 Honda vtx 1300 spark plug gap 2003 Honda vtx 1800 spark plugs Honda vtx 1800 spark plug gap