Item Include: 4PCS CR9EIX 3521 Spark Plugs Features: Genuine OEM spark plugs. A direct replacement for the old one. Stable characteristics, high reliability. Easy installation, perfect match to the original car. Description: Backaged : 4PCS Spark Plugs Condition: Brand New Material：Double Iridium Center Electrode Material: Iridium Ground Electrode Material: Iridium Color : As Photo Show Manufacturer Part Number : CR9EIX 3521 OEM Part Number : CR9EIX 3521 Interchange Part Number : 3521CR9EIX, CR9EIX (3521) .
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