{"product_id":"hks-mr-series-super-fire-ruthenium-plugs-1","title":"HKS MR-Series \"Super Fire\" Ruthenium Plugs","description":"\u003cp dir=\"ltr\"\u003ePlanning on getting more power out of your Hyundai or Kia by installing a JB4, RaceChip, or tuning your ECU? You'll want to upgrade your spark plugs to make the most of your factory ignition system!\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThis new series of plugs inherits the best from the existing M series, however it now features a Ruthenium Alloy Electrode to provide a reliable spark for all vehicles, including vehicles with increased boost or tuned vehicles.\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"mb50\"\u003eOn top of extended lifetime, the use of Ruthenium alloy allows a better fuel burn, resulting in quicker throttle response, smoother idle and better cold starts (especially noticeable on the NGK9 range plugs vs. the existing M series)\u003c\/p\u003e\n\u003cp class=\"mb50\"\u003eThe two options are:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNGK8\u003c\/strong\u003e for stock, or lightly tuned engines - these are a stock-replacement upgrade for the 1.6T in the i30 and Cerato GT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNGK9\u003c\/strong\u003e are for cars that are modified, tuned, or are being pushed harder than stock. Any increase of 50HP over factory generally requires a 1-heat-range colder drop in plugs. These are 1 range colder than stock for the 1.6T and 2.0T in the i30N, N-Line, and Cerato GT\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"mb50\"\u003e\u003cstrong\u003e\u003cem\u003eNote: These plugs are only suitable for the 1.6T and 2.0T engines, they aren't suitable for the Stinger's 3.3TT\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0397\/0695\/1836\/files\/img_02_480x480.gif?v=1652868125\" alt=\"Ruthenium Spark plugs\"\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e","brand":"HKS","offers":[{"title":"3 - For 1.0T","offer_id":46352515924207,"sku":"MR45XLZ-3SET","price":129.82,"currency_code":"USD","in_stock":true},{"title":"4 - For 1.6T \u0026 2.0T","offer_id":46352515956975,"sku":"MR45XLZ-4SET","price":173.1,"currency_code":"USD","in_stock":true},{"title":"Individual plug","offer_id":46352515989743,"sku":"MR45XLZ-1","price":43.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/0695\/1836\/files\/50003-MR45XLZ.jpg?v=1743136594","url":"https:\/\/cherrytuning.us\/products\/hks-mr-series-super-fire-ruthenium-plugs-1","provider":"Cherry Tuning \u0026 Performance","version":"1.0","type":"link"}