{"product_id":"spark-plug-hks-m40i-grade-8","title":"Spark Plug - HKS M40i - Grade 8","description":"\u003cp\u003eHKS Mi-Series Super Fire Racing Spark Plug - M40i Grade 8\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e- Price is for 1 single spark plug\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eHKS Mi-Series Super Fire Racing spark plugs are high performance Iridium plugs designed to handle advanced levels of tuning and provide Improved ignition performance, durability and anti-carbon build-up.\u003cbr\u003e\u003cbr\u003eHKS Mi Series Spark Plug Features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0.6mm Iridium Alloy Centre Electrode. Iridium Alloy Centre Electrode reduces voltage requirement as well as improving ignition performance and durability.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOuter Electrode with Platinum Chip. The Outer Electrode incorporates a square platinum chip which improves durability, and when combined with the iridium centre electrode boosts ignition performance.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eShort Type Outer Electrode (Anti-Vibration). The outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThermal Edge: After long idling or various combustion conditions carbon buildup can occur causing misfires. The Thermal Edge of the ceramic insulator will discharge to help decrease carbon deposits.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSpark Support Gap: Discharges will occur in the Spark Support Gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeat Range: 8\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eFensport Tip: \u003c\/strong\u003e\u003cspan\u003eHow to choose a sparkplug grade. (Guide Only)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eFor NA Cars:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUsually use a grade 6 for most road applications, a grade 7 can be used in hi compression race type cars, grade 8 in extreme rev\/compression cars.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eFor Turbo Cars:\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eGrade 6 is usually for standard cars, Grade 7 mild upgrades usually 1.2 bar boost, Grade 8 above 1.2bar, Grade 9 above 1.6\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eNitrous Oxide:\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eUsually a colder grade plug is often used when using nitrous oxide.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eIf you need help please call for details\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":31355670036593,"sku":"50003-M40i","price":13.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0054\/9099\/9409\/products\/hks-M-I-Spark-Plug-universal_d930eede-880b-4b80-8832-7470fac8c32d.jpg?v=1580919130","url":"https:\/\/www.fensport.co.uk\/products\/spark-plug-hks-m40i-grade-8","provider":"Fensport Performance","version":"1.0","type":"link"}