{"product_id":"8-pack-ngk-v-power-3657-spark-plugs-izfr5k11-ps","title":"8 Pack NGK 3657 Laser Iridium Spark Plugs IZFR5K11 ps","description":"\u003cp\u003eThe NGK 3657 Laser Iridium Spark Plug (IZFR5K11) is engineered for maximum durability and precision ignition in modern high-efficiency engines. Featuring a laser-welded iridium center electrode and platinum-tipped ground electrode, it offers superior longevity, consistent combustion, and optimal fuel efficiency—ideal for vehicles requiring extended service intervals.\u003c\/p\u003e\u003ch3\u003eFeatures \u0026amp; Benefits:\u003c\/h3\u003e\u003cp\u003e🔧 Iridium center electrode ensures high durability and spark strength\u003cbr\u003e🔧 Platinum ground electrode extends wear life and performance\u003cbr\u003e🔧 Designed for precise ignition and reduced emissions\u003cbr\u003e🔧 Pre-gapped at 1.1mm for easy, OE-spec installation\u003c\/p\u003e\u003ch3\u003eSpecifications:\u003c\/h3\u003e\u003cp\u003eBrand \u0026amp; Part Number: NGK 3657 (IZFR5K11)\u003cbr\u003eMaterial: Iridium Center \/ Platinum Ground\u003cbr\u003eThread Size: 14mm\u003cbr\u003eReach: 19mm (0.75 in)\u003cbr\u003eHex Size: 5\/8 in (16mm)\u003cbr\u003eHeat Range: 5\u003cbr\u003eSeat Type: Gasket\u003cbr\u003eResistor: Yes\u003cbr\u003eGap: 1.1mm (0.043 in)\u003c\/p\u003e\u003cp\u003eUpgrade to NGK IZFR5K11 Laser Iridium for long-lasting ignition performance, maximum fuel efficiency, and OE-recommended quality—order now!\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":46829486243991,"sku":"NGK-3657-8PK-EB-PS","price":140.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/8966\/7735\/files\/medium_dd3f3428-7743-41b3-94db-2ec2d5090a5b.jpg?v=1768780720","url":"https:\/\/txnsupply.com\/products\/8-pack-ngk-v-power-3657-spark-plugs-izfr5k11-ps","provider":"Texan Supply Company","version":"1.0","type":"link"}