正品火花塞最怕冒黑烟或冒蓝色烧机油的发动机，装上后会很容易烧毁火花塞，车主的车如有以上症状，请勿购买，以免无谓损失 The positive article spark fills to fear to emit black smoke most 0r emits a blue to burn the mot0r of engine oil   a-nd packs future reunion to burn down spark to fill very easily, if the car owner's car has above symptom, please don't purchase, so as not to meaningless loss
NO.1  JR8C火花塞spark-plug

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NO.2   DPR9Z 火花塞spark-plug
 
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NO.3  DR8ES火花塞spark-plug
 
 
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NO.4 DR8ES-L火花塞spark-plug

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NO.5  JR9B火花塞spark-plug