{"product_id":"ngk-iridium-ix-spark-plug-set-toyota-ae86-aw11-ae92-4age","title":"NGK Iridium IX Spark Plug Set | 4A-GE \u0026 4A-GZE 16V (AE86, AW11, AE92)","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eNGK Iridium IX Spark Plug Set\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor Toyota AE86, AW11 \u0026amp; Early AE92 with 1.6L 4A-GE DOHC 16V Engines\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe NGK Iridium IX Spark Plug Set provides a complete four-plug ignition service set for classic Toyota \u003cstrong\u003eAE86 Corolla, AW11 MR2, and early AE92 Corolla\u003c\/strong\u003e models equipped with the naturally aspirated \u003cstrong\u003e1.6L 4A-GE DOHC 16-valve engine\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eEach Iridium IX plug uses an ultra-fine \u003cstrong\u003e0.6 mm iridium center electrode\u003c\/strong\u003e with a taper-cut ground electrode to promote reliable spark formation while reducing the voltage required for ignition. The design supports consistent starting, stable idle, responsive acceleration, and dependable ignition performance.\u003c\/p\u003e\n\u003cp\u003eThe set includes \u003cstrong\u003efour spark plugs\u003c\/strong\u003e, providing the required quantity for one 4-cylinder 4A-GE engine.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eComplete \u003cstrong\u003e4-piece spark plug set\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFits applicable \u003cstrong\u003eAE86, AW11, and early AE92 4A-GE\u003c\/strong\u003e applications\u003c\/li\u003e\n\u003cli\u003eNGK \u003cstrong\u003eIridium IX\u003c\/strong\u003e performance spark plug design\u003c\/li\u003e\n\u003cli\u003eUltra-fine \u003cstrong\u003e0.6 mm iridium center electrode\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTaper-cut ground electrode for improved ignitability\u003c\/li\u003e\n\u003cli\u003eNGK heat range \u003cstrong\u003e5\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1.1 mm (.044 in.) nominal gap\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eResistor-type spark plug construction\u003c\/li\u003e\n\u003cli\u003eDesigned for naturally aspirated \u003cstrong\u003e1.6L 4A-GE DOHC 16V engines\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eIridium IX Design\u003c\/h2\u003e\n\u003cp\u003eThe fine-wire iridium center electrode concentrates the spark while requiring less ignition voltage than a conventional larger-diameter electrode. Combined with the taper-cut ground electrode, the design reduces spark quenching and allows the flame kernel to develop efficiently.\u003c\/p\u003e\n\u003cp\u003eIridium also provides strong resistance to electrode wear, helping maintain consistent ignition characteristics throughout the plug's service life.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla Levin \/ Sprinter Trueno AE86\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1983–1987 Toyota Corolla Levin \/ Sprinter Trueno AE86 – 1.6L 4A-GEU DOHC 16V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla Sport GT-S AE86\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1985–1987 Toyota Corolla Sport GT-S AE86 – 1.6L 4A-GEC \/ 4A-GE DOHC 16V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota MR2 AW11\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1985–1989 Toyota MR2 AW11 – 1.6L 4A-GE DOHC 16V – Naturally Aspirated \/ Catalytic-Converter Application\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla Levin \/ Sprinter Trueno AE92\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1987–May 1989 Toyota Corolla Levin \/ Sprinter Trueno AE92 – 1.6L 4A-GE DOHC 16V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla GT-S AE92\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1988–1989 Toyota Corolla GT-S AE92 – 1.6L 4A-GE DOHC 16V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFitment Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for applicable \u003cstrong\u003e1.6L 4A-GE DOHC 16-valve engines\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFits \u003cstrong\u003eAE86, naturally aspirated AW11, and early AE92 4A-GE applications\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDoes not fit AW11 models equipped with the supercharged 4A-GZE engine\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLater AE92 4A-GE applications use a different spark plug specification\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNot intended for 4A-C SOHC engines\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eFour spark plugs are required for one complete engine\u003c\/li\u003e\n\u003cli\u003eNominal spark plug gap is \u003cstrong\u003e1.1 mm (.044 in.)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eConfirm the required plug gap for engines with substantial ignition, compression, forced-induction, or other performance modifications\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\u003eSeries:\u003c\/strong\u003e Iridium IX\u003cbr\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Spark Plug Set\u003cbr\u003e\u003cstrong\u003eEngine Application:\u003c\/strong\u003e 1.6L 4A-GE DOHC 16V\u003cbr\u003e\u003cstrong\u003eChassis Applications:\u003c\/strong\u003e AE86, AW11, Early AE92\u003cbr\u003e\u003cstrong\u003eHeat Range:\u003c\/strong\u003e 5\u003cbr\u003e\u003cstrong\u003eCenter Electrode:\u003c\/strong\u003e 0.6 mm Iridium\u003cbr\u003e\u003cstrong\u003eGround Electrode:\u003c\/strong\u003e Nickel, Taper-Cut\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\u003eNominal Gap:\u003c\/strong\u003e 1.1 mm (.044 in.)\u003cbr\u003e\u003cstrong\u003eSeat Type:\u003c\/strong\u003e Flat \/ Gasket\u003cbr\u003e\u003cstrong\u003eResistor Type:\u003c\/strong\u003e Yes\u003cbr\u003e\u003cstrong\u003eQuantity:\u003c\/strong\u003e 4 Spark Plugs\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e(4) NGK Iridium IX Spark Plugs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":53436472033589,"sku":null,"price":42.99,"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-spark-plug-set-toyota-ae86-aw11-ae92-4age","provider":"Preserve Rad","version":"1.0","type":"link"}