{"product_id":"ae86-ngk-spark-plug-set-4age-1983-1987-corolla","title":"AE86 NGK Spark Plug Set | 4A-GE (1983-87 Corolla)","description":"\u003ch2\u003eNGK Laser Platinum \/ Iridium IX Spark Plug Set\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor 1983–1987 Toyota Corolla AE86 Trueno \/ Levin and 1985–1987 U.S.-Market Corolla Sport AE86 (GT-S)\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNGK Laser Platinum \/ Iridium IX Spark Plug Set\u003c\/strong\u003e provides two spark-plug options for \u003cstrong\u003e4A-GE-powered Toyota Corolla AE86\u003c\/strong\u003e Trueno, Levin, and U.S.-market GT-S models. Each configuration contains four spark plugs.\u003c\/p\u003e\n\u003cp\u003eChoose \u003cstrong\u003eLaser Platinum\u003c\/strong\u003e for an OE-spec precious-metal electrode design and long service life, or \u003cstrong\u003eIridium IX\u003c\/strong\u003e for its fine-wire iridium center electrode and performance-oriented ignitability.\u003c\/p\u003e\n\u003cp\u003eBoth options use \u003cstrong\u003eNGK heat range 5\u003c\/strong\u003e, M14 x 1.25 thread, 19 mm reach, resistor construction, gasket seat, and a \u003cstrong\u003e1.1 mm \/ 0.044 in. nominal gap\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4A-GE\u003c\/strong\u003e spark-plug set for Corolla AE86 applications\u003c\/li\u003e\n\u003cli\u003eChoose \u003cstrong\u003eLaser Platinum\u003c\/strong\u003e or \u003cstrong\u003eIridium IX\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes \u003cstrong\u003efour spark plugs\u003c\/strong\u003e per set\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNGK heat range 5\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM14 x 1.25\u003c\/strong\u003e thread and \u003cstrong\u003e19 mm \/ 0.750 in.\u003c\/strong\u003e reach\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e16 mm \/ 5\/8 in.\u003c\/strong\u003e hex with resistor construction and gasket seat\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan\u003eWhich Spark Plug Is Right for You?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLaser Platinum — Best for Stock Engines \u0026amp; Daily Driving\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eChoose \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eLaser Platinum\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e if you're restoring your AE86 to factory specifications, daily driving, or prioritizing long-term reliability. Its OE-style platinum design offers extended service life and is our recommended choice for most stock 4A-GE engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIridium IX — Best for Performance Enthusiasts\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eChoose \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eIridium IX\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e if you prefer a performance-focused spark plug for spirited driving. Its fine-wire iridium center electrode and tapered-cut ground electrode promote strong, consistent ignition. It's a performance-oriented alternative, though not necessarily longer-lasting than Laser Platinum.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOur Recommendation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e For most stock or restored AE86s, choose \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eLaser Platinum\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. For enthusiasts who prioritize fine-wire ignition performance, choose \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eIridium IX\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBoth options share the same heat range, thread size, reach, resistor construction, and nominal gap.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla AE86\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1983–1987 Trueno (JDM)\u003c\/strong\u003e — 4A-GE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1983–1987 Levin (JDM)\u003c\/strong\u003e — 4A-GE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1985–1987 GT-S (U.S.-Market)\u003c\/strong\u003e — 4A-GE, manual transmission\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFitment Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory 4A-GE applications only.\u003c\/strong\u003e Does not fit Corolla Sport SR5 models with the factory \u003cstrong\u003e4A-C\u003c\/strong\u003e engine.\u003c\/li\u003e\n\u003cli\u003eU.S.-market GT-S models use a manual transmission; later Japanese-market 4A-GE models were also offered with an automatic transmission.\u003c\/li\u003e\n\u003cli\u003eFor a matching ignition-wire option, the \u003ca href=\"https:\/\/preserverad.com\/products\/ngk-spark-plug-wire-set-toyota-ae86-4age\"\u003eAE86 NGK Blue Silicone Spark Plug Wire Set\u003c\/a\u003e is available separately; it is not included with these spark plugs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e NGK\u003cbr\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Spark Plug Set\u003cbr\u003e\u003cstrong\u003eEngine:\u003c\/strong\u003e Naturally Aspirated 1.6L 4A-GE\u003cbr\u003e\u003cstrong\u003eHeat Range:\u003c\/strong\u003e NGK 5\u003cbr\u003e\u003cstrong\u003eThread Size:\u003c\/strong\u003e M14 x 1.25\u003cbr\u003e\u003cstrong\u003eThread Reach:\u003c\/strong\u003e 19 mm \/ 0.750 in.\u003cbr\u003e\u003cstrong\u003eHex Size:\u003c\/strong\u003e 16 mm \/ 5\/8 in.\u003cbr\u003e\u003cstrong\u003eSeat Type:\u003c\/strong\u003e Gasket\u003cbr\u003e\u003cstrong\u003eNominal Gap:\u003c\/strong\u003e 1.1 mm \/ 0.044 in.\u003cbr\u003e\u003cstrong\u003eResistor Type:\u003c\/strong\u003e Yes\u003cbr\u003e\u003cstrong\u003eQuantity:\u003c\/strong\u003e 4 Spark Plugs\u003cbr\u003e\u003cstrong\u003eAvailable Electrode Types:\u003c\/strong\u003e Laser Platinum \/ Iridium IX\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eAvailable Configurations\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eLaser Platinum\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(4) NGK Laser Platinum spark plugs\u003c\/li\u003e\n\u003cli\u003ePlatinum electrode design\u003c\/li\u003e\n\u003cli\u003eOE-spec replacement configuration for the 4A-GE\u003c\/li\u003e\n\u003cli\u003eExtended electrode wear resistance\u003c\/li\u003e\n\u003cli\u003eFour spark plugs per set\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eIridium IX\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(4) NGK Iridium IX spark plugs\u003c\/li\u003e\n\u003cli\u003eFine-wire iridium center electrode\u003c\/li\u003e\n\u003cli\u003eTapered-cut ground electrode\u003c\/li\u003e\n\u003cli\u003eIncreased electrode wear resistance\u003c\/li\u003e\n\u003cli\u003ePremium spark-plug configuration\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NGK","offers":[{"title":"Laser Platinum","offer_id":67665892835637,"sku":"1346","price":34.99,"currency_code":"USD","in_stock":true},{"title":"Iridium IX","offer_id":53457820090677,"sku":"802","price":41.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/1logos_1_2_928695aa-fac2-4d47-9fe1-c527b5df28fb.png?v=1791582688","url":"https:\/\/preserverad.com\/products\/ae86-ngk-spark-plug-set-4age-1983-1987-corolla","provider":"Preserve Rad","version":"1.0","type":"link"}