{"product_id":"ngk-iridium-ix-performance-spark-plugs-1984-89-4runner-pickup","title":"NGK Iridium IX Performance Spark Plugs (1984-95 4Runner\/Pickup)","description":"\u003ch2 data-end=\"86\" data-start=\"41\" data-section-id=\"1qd6te7\"\u003e\u003cspan role=\"text\"\u003eNGK Iridium IX Performance Spark Plugs\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"166\" data-start=\"88\"\u003eFor \u003cstrong data-end=\"122\" data-start=\"95\"\u003e1984–1995 Toyota Pickup\u003c\/strong\u003e \u0026amp; \u003cstrong data-end=\"153\" data-start=\"125\"\u003e1984–1995 Toyota 4Runner\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-end=\"171\" data-start=\"168\"\u003e\n\u003ch2 data-end=\"188\" data-start=\"173\" data-section-id=\"1og5t7q\"\u003e\u003cspan role=\"text\"\u003eOverview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"534\" data-start=\"190\"\u003eThe \u003cstrong data-end=\"224\" data-start=\"194\"\u003eNGK Iridium IX Spark Plugs\u003c\/strong\u003e are a premium high-performance spark plug upgrade designed for \u003cstrong data-end=\"316\" data-start=\"288\"\u003e1984–1995 Toyota 4Runner\u003c\/strong\u003e and \u003cstrong data-end=\"348\" data-start=\"321\"\u003e1984–1995 Toyota Pickup\u003c\/strong\u003e models. Engineered for improved ignition efficiency, throttle response, and long-term durability, Iridium IX plugs are an excellent upgrade over traditional OE nickel alloy spark plugs.\u003c\/p\u003e\n\u003cp data-end=\"769\" data-start=\"536\"\u003eBuilt specifically for performance enthusiasts and modified vehicles, NGK Iridium IX spark plugs provide stronger spark energy, improved combustion efficiency, and outstanding resistance to fouling under demanding driving conditions.\u003c\/p\u003e\n\u003cp data-end=\"973\" data-start=\"771\"\u003eFeaturing a fine-wire iridium center electrode and tapered ground electrode design, these spark plugs help improve starting performance, idle quality, fuel efficiency, and overall engine responsiveness.\u003c\/p\u003e\n\u003chr data-end=\"978\" data-start=\"975\"\u003e\n\u003ch2 data-end=\"1016\" data-start=\"980\" data-section-id=\"1kw315i\"\u003e\u003cspan role=\"text\"\u003eImproved Ignition Performance\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"1142\" data-start=\"1018\"\u003eNGK Iridium IX spark plugs are engineered to provide a more efficient and stable spark compared to conventional spark plugs.\u003c\/p\u003e\n\u003ch3 data-end=\"1181\" data-start=\"1144\" data-section-id=\"1wuggjg\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1181\" data-start=\"1148\"\u003ePerformance benefits include:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1417\" data-start=\"1183\"\u003e\n\u003cli data-end=\"1213\" data-start=\"1183\" data-section-id=\"qs1z4t\"\u003eImproved throttle response\u003c\/li\u003e\n\u003cli data-end=\"1240\" data-start=\"1214\" data-section-id=\"37cz81\"\u003eFaster engine starting\u003c\/li\u003e\n\u003cli data-end=\"1266\" data-start=\"1241\" data-section-id=\"1xl32k4\"\u003eSmoother idle quality\u003c\/li\u003e\n\u003cli data-end=\"1292\" data-start=\"1267\" data-section-id=\"1v8v70k\"\u003eEnhanced acceleration\u003c\/li\u003e\n\u003cli data-end=\"1334\" data-start=\"1293\" data-section-id=\"1hol0ur\"\u003eMore consistent combustion efficiency\u003c\/li\u003e\n\u003cli data-end=\"1363\" data-start=\"1335\" data-section-id=\"gjn257\"\u003eImproved fuel efficiency\u003c\/li\u003e\n\u003cli data-end=\"1417\" data-start=\"1364\" data-section-id=\"17o1yy5\"\u003eReliable spark under demanding driving conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1557\" data-start=\"1419\"\u003eThese characteristics make Iridium IX plugs ideal for daily drivers, modified engines, off-road vehicles, and performance-oriented builds.\u003c\/p\u003e\n\u003chr data-end=\"1562\" data-start=\"1559\"\u003e\n\u003ch2 data-end=\"1600\" data-start=\"1564\" data-section-id=\"1ojja9\"\u003e\u003cspan role=\"text\"\u003eAdvanced Iridium Construction\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"1743\" data-start=\"1602\"\u003eAt the center of each NGK Iridium IX plug is a fine-wire iridium center electrode engineered for durability and consistent spark performance.\u003c\/p\u003e\n\u003ch3 data-end=\"1783\" data-start=\"1745\" data-section-id=\"1tmb84a\"\u003e\u003cspan role=\"text\"\u003eConstruction features include:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"2037\" data-start=\"1785\"\u003e\n\u003cli data-end=\"1823\" data-start=\"1785\" data-section-id=\"9ggmyr\"\u003eFine-wire iridium center electrode\u003c\/li\u003e\n\u003cli data-end=\"1863\" data-start=\"1824\" data-section-id=\"1wgu7pl\"\u003eTapered cut ground electrode design\u003c\/li\u003e\n\u003cli data-end=\"1916\" data-start=\"1864\" data-section-id=\"p24xgb\"\u003eTrivalent metal plating for corrosion resistance\u003c\/li\u003e\n\u003cli data-end=\"1958\" data-start=\"1917\" data-section-id=\"12rkkea\"\u003eAnti-seize and anti-corrosion coating\u003c\/li\u003e\n\u003cli data-end=\"2002\" data-start=\"1959\" data-section-id=\"5vsdhd\"\u003eExceptional resistance to spark fouling\u003c\/li\u003e\n\u003cli data-end=\"2037\" data-start=\"2003\" data-section-id=\"5xt2pd\"\u003eDesigned for long service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2212\" data-start=\"2039\"\u003eIridium is significantly harder and more heat resistant than traditional platinum materials, allowing the plug to maintain consistent ignition performance over extended use.\u003c\/p\u003e\n\u003chr data-end=\"2217\" data-start=\"2214\"\u003e\n\u003ch2 data-end=\"2260\" data-start=\"2219\" data-section-id=\"1h4er2h\"\u003e\u003cspan role=\"text\"\u003eBuilt for Performance Applications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"2404\" data-start=\"2262\"\u003eIridium IX spark plugs are specifically designed for drivers seeking improved ignition performance beyond standard OE replacement spark plugs.\u003c\/p\u003e\n\u003ch3 data-end=\"2447\" data-start=\"2406\" data-section-id=\"kx3y2k\"\u003e\u003cspan role=\"text\"\u003eRecommended applications include:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"2612\" data-start=\"2449\"\u003e\n\u003cli data-end=\"2469\" data-start=\"2449\" data-section-id=\"hsovpw\"\u003eModified engines\u003c\/li\u003e\n\u003cli data-end=\"2506\" data-start=\"2470\" data-section-id=\"1wbtk61\"\u003eHigh-performance street vehicles\u003c\/li\u003e\n\u003cli data-end=\"2539\" data-start=\"2507\" data-section-id=\"6a4avp\"\u003eOff-road and overland builds\u003c\/li\u003e\n\u003cli data-end=\"2557\" data-start=\"2540\" data-section-id=\"1jqn3rs\"\u003eDaily driving\u003c\/li\u003e\n\u003cli data-end=\"2582\" data-start=\"2558\" data-section-id=\"x946qm\"\u003eRestoration projects\u003c\/li\u003e\n\u003cli data-end=\"2612\" data-start=\"2583\" data-section-id=\"aowjgf\"\u003eUpgraded ignition systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2742\" data-start=\"2614\"\u003eFor drivers seeking even greater ignition performance and longevity, NGK also offers their premium Ruthenium HX spark plug line.\u003c\/p\u003e\n\u003chr data-end=\"2747\" data-start=\"2744\"\u003e\n\u003ch2 data-end=\"2780\" data-start=\"2749\" data-section-id=\"bgurci\"\u003e\u003cspan role=\"text\"\u003eDurability \u0026amp; Reliability\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"2880\" data-start=\"2782\"\u003eNGK spark plugs are known worldwide for long-term reliability and precision manufacturing quality.\u003c\/p\u003e\n\u003ch3 data-end=\"2918\" data-start=\"2882\" data-section-id=\"rj8tyd\"\u003e\u003cspan role=\"text\"\u003eDurability benefits include:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"3175\" data-start=\"2920\"\u003e\n\u003cli data-end=\"2957\" data-start=\"2920\" data-section-id=\"odubi8\"\u003eExcellent anti-fouling resistance\u003c\/li\u003e\n\u003cli data-end=\"2998\" data-start=\"2958\" data-section-id=\"1j1eluw\"\u003eReliable spark performance over time\u003c\/li\u003e\n\u003cli data-end=\"3044\" data-start=\"2999\" data-section-id=\"1pl58as\"\u003eLong-lasting iridium electrode durability\u003c\/li\u003e\n\u003cli data-end=\"3099\" data-start=\"3045\" data-section-id=\"o5wldh\"\u003eStable operation under varying engine temperatures\u003c\/li\u003e\n\u003cli data-end=\"3175\" data-start=\"3100\" data-section-id=\"pc01en\"\u003eConsistent ignition performance in daily driving and harsh environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"3284\" data-start=\"3177\"\u003eThese spark plugs are designed to deliver dependable performance in both stock and modified Toyota engines.\u003c\/p\u003e\n\u003chr data-start=\"3270\" data-end=\"3273\"\u003e\n\u003ch2 data-section-id=\"5d65sf\" data-start=\"3275\" data-end=\"3309\"\u003e\u003cspan role=\"text\"\u003ePre-Gapped for Installation\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"3311\" data-end=\"3524\"\u003eThese spark plugs arrive pre-gapped from NGK for the intended application. However, it is still recommended to verify spark plug gap before installation, especially on modified engines or performance applications.\u003c\/p\u003e\n\u003chr data-start=\"3526\" data-end=\"3529\"\u003e\n\u003ch2 data-end=\"3316\" data-start=\"3291\" data-section-id=\"e7gfop\"\u003e\u003cspan role=\"text\"\u003eIdeal Applications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-end=\"3504\" data-start=\"3318\"\u003e\n\u003cli data-end=\"3335\" data-start=\"3318\" data-section-id=\"1jqn3rs\"\u003eDaily driving\u003c\/li\u003e\n\u003cli data-end=\"3365\" data-start=\"3336\" data-section-id=\"2toml0\"\u003ePerformance street builds\u003c\/li\u003e\n\u003cli data-end=\"3401\" data-start=\"3366\" data-section-id=\"iuaz5d\"\u003eModified Toyota trucks and SUVs\u003c\/li\u003e\n\u003cli data-end=\"3436\" data-start=\"3402\" data-section-id=\"1nxs81n\"\u003eOff-road and overland vehicles\u003c\/li\u003e\n\u003cli data-end=\"3461\" data-start=\"3437\" data-section-id=\"x946qm\"\u003eRestoration projects\u003c\/li\u003e\n\u003cli data-end=\"3504\" data-start=\"3462\" data-section-id=\"1xo50qg\"\u003eImproved ignition performance upgrades\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"3509\" data-start=\"3506\"\u003e\n\u003ch2 data-end=\"3539\" data-start=\"3511\" data-section-id=\"vv03pv\"\u003e\u003cspan role=\"text\"\u003eVehicle Compatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-start=\"2923\" data-end=\"2963\"\u003e\n\u003cp data-start=\"2925\" data-end=\"2963\"\u003e\u003cstrong data-start=\"2925\" data-end=\"2961\"\u003e1984–1989 Toyota 1st Gen 4Runner\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2964\" data-end=\"2995\"\u003e\n\u003cp data-start=\"2966\" data-end=\"2995\"\u003e\u003cstrong data-start=\"2966\" data-end=\"2993\"\u003e1984–1988 Toyota 2nd Gen Toyota Pickup\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2923\" data-end=\"2963\"\u003e\n\u003cp data-start=\"2925\" data-end=\"2963\"\u003e\u003cstrong data-start=\"2925\" data-end=\"2961\"\u003e1990-1995 2nd Toyota 4Runner\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2964\" data-end=\"2995\"\u003e\n\u003cp data-start=\"2966\" data-end=\"2995\"\u003e\u003cstrong data-start=\"2966\" data-end=\"2993\"\u003e1989-1995 3rd Gen Toyota Pickup\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"3634\" data-start=\"3631\"\u003e\n\u003ch2 data-end=\"3656\" data-start=\"3636\" data-section-id=\"14m1gfj\"\u003e\u003cspan role=\"text\"\u003eFitment Notes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-end=\"3872\" data-start=\"3658\"\u003e\n\u003cli data-end=\"3703\" data-start=\"3658\" data-section-id=\"1b6rtnd\"\u003eVerify engine application before purchase\u003c\/li\u003e\n\u003cli data-end=\"3748\" data-start=\"3704\" data-section-id=\"uu3xsr\"\u003eCompatible with factory ignition systems\u003c\/li\u003e\n\u003cli data-end=\"3811\" data-start=\"3749\" data-section-id=\"1osyco9\"\u003eDesigned as an upgrade over standard OE nickel spark plugs\u003c\/li\u003e\n\u003cli data-end=\"3872\" data-start=\"3812\" data-section-id=\"j0cmd8\"\u003eGap adjustment may be required depending on engine setup\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"3877\" data-start=\"3874\"\u003e\n\u003ch2 data-end=\"3902\" data-start=\"3879\" data-section-id=\"fw8kt\"\u003e\u003cspan role=\"text\"\u003eWhat Is Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-end=\"3941\" data-start=\"3904\"\u003e\n\u003cli data-end=\"3941\" data-start=\"3904\" data-section-id=\"1uohghl\"\u003e(4) NGK Iridium IX Spark Plugs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NGK","offers":[{"title":"22R\/22RE\/22RET","offer_id":52910194196789,"sku":"429","price":37.6,"currency_code":"USD","in_stock":true},{"title":"3VZ-E","offer_id":52910194229557,"sku":"430","price":37.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/ChatGPT_Image_May_21_2026_02_36_48_PM.png?v=1779394562","url":"https:\/\/preserverad.com\/products\/ngk-iridium-ix-performance-spark-plugs-1984-89-4runner-pickup","provider":"Preserve Rad","version":"1.0","type":"link"}