D7EA SPRK PLUG A. PERFORMANCE DETAILS B. DIRECTIONS FOR USE C. ONE-STOP SERVICE D. N.G.K. MODEL D7EA spark plug detailsCentral Electrodecopper, alloy, platinum, iridium goldCeramic white or colored, heat resistingMetal appearance plating,bronze,silvery,golden yellowMOQ 10,000pcs for each modelDelivery 15-25 days after deposit, actually depend on your QTYPayment L/C, or T/TPacking BLISTER CARD, or ...