A. spark plug details given B. DIRECTIONS FOR USE C. instant price AND FEEDBACK D. complete PLUG models AUTO spark plug, spark plug C7HSA examples show here Central Electrode copper, alloy, platinum, iridium gold Ceramic white or colored, heat resisting Metal appearance plating,bronze,silvery,golden yellow MOQ 10,000pcs for each modelDelivery 15-25 days after deposit, actually depend on your ...