{"product_id":"ngk-iridium-platinum-spark-plug-box-of-4-ifr6t-11","title":"NGK Laser Iridium Spark Plug Box of 4 (IFR6T11) - NA6 Miata (90-93)","description":"\u003cp\u003eThe NGK Laser Iridium IFR6T11 is an iridium and platinum spark plug with a fine wire center electrode. NGK lists it for the 1990-1993 Mazda Miata (NA) with the 1.6L engine. NGK classes it as a Performance grade plug.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNGK Laser Iridium series, heat range 6; NGK grade type Performance\u003c\/li\u003e\n\u003cli\u003eM14 x 1.25 thread, 19.0 mm (0.750 in) reach, 5\/8 in (16 mm) hex, flat seat with crush washer included\u003c\/li\u003e\n\u003cli\u003eFine wire iridium center electrode tip and a platinum-tipped ground electrode (J-gap)\u003c\/li\u003e\n\u003cli\u003eResistor type (5,000 ohms) with a copper core and a non-removable terminal nut\u003c\/li\u003e\n\u003cli\u003ePre-gapped to 1.1 mm (0.044 in), the gap NGK lists for the 1990-1993 Miata 1.6L\u003c\/li\u003e\n\u003cli\u003eNGK lists 4 plugs for the 1990-1993 Miata 1.6L engine\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 1990-1993 Mazda Miata (NA, 1.6L). NGK lists a spark plug gap of 0.044 in and a quantity of 4 for this engine. Not listed by NGK for the 1994-1997 1.8L, which NGK lists with heat range 5 plugs (e.g. IFR5E11).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePart number:\u003c\/strong\u003e NGK 4589 (IFR6T11)\u003c\/p\u003e\u003cp\u003eThis Part Fits:\u003c\/p\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"80\"\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1990-1993\u003c\/td\u003e\n\u003ctd\u003eMazda\u003c\/td\u003e\n\u003ctd\u003eMiata\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":45957251432673,"sku":"NGK4589","price":100.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0620\/6849\/0465\/files\/c1d2e8335a9379af83a9534ed4f7cf49.jpg?v=1733081255","url":"https:\/\/www.garage-56.com\/products\/ngk-iridium-platinum-spark-plug-box-of-4-ifr6t-11","provider":"Garage 56 Engineering ","version":"1.0","type":"link"}