{"id":17879,"date":"2025-05-28T17:21:10","date_gmt":"2025-05-28T14:20:11","guid":{"rendered":"https:\/\/www.mwsteel.eu\/?post_type=product&#038;p=17879"},"modified":"2025-05-29T12:36:26","modified_gmt":"2025-05-29T09:36:26","slug":"hks-spark-plugs-m35-i-m40-i-m45-i","status":"publish","type":"product","link":"https:\/\/www.mwsteel.eu\/en\/tuote\/hks-spark-plugs-m35-i-m40-i-m45-i\/","title":{"rendered":"HKS Spark Plugs M35-i, M40-i, M45-i"},"content":{"rendered":"<p>We offer a full selection of HKS Super Fire Racing family of spark plugs optimized for race and tuning applications, featuring reinforced ignition capabilities, durability and anti-insulation. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits under long idling.<\/p>\n<p>Their iridium alloy center electrode reduces voltage requirements and improves ignition performance and durability.<\/p>\n<p>Heat ranges are designed to withstand high temperatures and pressures under demanding race conditions.<\/p>\n<p>HKS Mi-series spark plugs comply with ISO-stds. and represent the universal JIS-type with a thread M14 x 19 and plug wrench size 16 mm \/ 5\/8&#8243; common in Japanese engines and many European car models, such as:<\/p>\n<ul>\n<li data-sourcepos=\"35:1-35:71\"><span class=\"citation-59 citation-end-59\">Toyota engines (e.g. 1JZ-GTE, 2JZ-GTE, 4A-GE, 3S-GTE<\/span><\/li>\n<li data-sourcepos=\"35:1-35:71\"><span class=\"citation-58 citation-end-58\">Subaru EJ series (e.g. EJ207, EJ205)<\/span><\/li>\n<li data-sourcepos=\"37:1-37:36\">Honda engines\u00a0 (e.g. B18C5, K20A2)<\/li>\n<li data-sourcepos=\"38:1-39:0\">some Audi, BMW, and Porsche models.<\/li>\n<\/ul>\n<p>They are offered in three heat ranges: 35 (NGK 7), 40 (NGK 8) and 45 (NGK 9).<\/p>\n<p>The chart below illustrates the respective Denso and NGK heat range indexes.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-17801\" src=\"https:\/\/www.mwsteel.eu\/wp-content\/uploads\/2025\/05\/HKS-lampoarvotaulukko-325x57.jpg\" alt=\"\" width=\"542\" height=\"95\" srcset=\"https:\/\/www.mwsteel.eu\/wp-content\/uploads\/2025\/05\/HKS-lampoarvotaulukko-325x57.jpg 325w, https:\/\/www.mwsteel.eu\/wp-content\/uploads\/2025\/05\/HKS-lampoarvotaulukko-600x104.jpg 600w, https:\/\/www.mwsteel.eu\/wp-content\/uploads\/2025\/05\/HKS-lampoarvotaulukko.jpg 707w\" sizes=\"auto, (max-width: 542px) 100vw, 542px\" \/><\/p>\n<p>Choose the best option from the drop down menu.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We offer a full selection of HKS Super Fire Racing family of spark plugs optimized for race and tuning applications, featuring reinforced ignition capabilities, durability&#8230;<\/p>\n","protected":false},"featured_media":17804,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[1046],"product_tag":[],"class_list":{"0":"post-17879","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-spark-plugs","8":"first","9":"onbackorder","10":"taxable","11":"shipping-taxable","12":"purchasable","13":"product-type-variable"},"_links":{"self":[{"href":"https:\/\/www.mwsteel.eu\/en\/wp-json\/wp\/v2\/product\/17879","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mwsteel.eu\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.mwsteel.eu\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mwsteel.eu\/en\/wp-json\/wp\/v2\/comments?post=17879"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mwsteel.eu\/en\/wp-json\/wp\/v2\/media\/17804"}],"wp:attachment":[{"href":"https:\/\/www.mwsteel.eu\/en\/wp-json\/wp\/v2\/media?parent=17879"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.mwsteel.eu\/en\/wp-json\/wp\/v2\/product_brand?post=17879"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.mwsteel.eu\/en\/wp-json\/wp\/v2\/product_cat?post=17879"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.mwsteel.eu\/en\/wp-json\/wp\/v2\/product_tag?post=17879"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}