This series includes spark plugs, glow plugs, and spark plug wire sets that fit most vehicle makes This series includes spark plugs, glow plugs, and spark plug wire sets that fit most vehicle makes and models. ISO9002 certified.Inner packing: 1pc/color box, polybagwe suppl OEM yarn for most manufacturers in China,U.S.A,CanadaOuter packing: 200pcs/carton Spark plug wire