{"title":"Mazda RX-8 Ignition \u0026 Spark Plugs","description":"\u003cblockquote\u003e\n\u003cblockquote\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eShop specialist \u003cstrong\u003eMazda RX-8 ignition parts\u003c\/strong\u003e for the 13B Renesis, including NGK spark plugs, ignition coils, leads and supporting ignition components. RSG supplies RX8 ignition solutions for standard, tuned and turbocharged applications.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003e \u003c\/p\u003e","products":[{"product_id":"rsg-mazda-rx-8-ignition-coil-upgrade-kit-13b-renesis","title":"RSG Mazda RX-8 Ignition Coil Upgrade Kit – 13B Renesis","description":"\u003cp\u003e\u003cstrong\u003eRSG Mazda RX-8 Ignition Coil Upgrade Kit\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUpgrade the ignition system of your Mazda RX-8 with the Rotary Secret Garage ignition coil upgrade kit.\u003c\/p\u003e\n\u003cp\u003eDesigned for the 13B Renesis platform, this package provides a purpose-built ignition upgrade for RX-8 owners replacing or upgrading the original ignition system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Includes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCTS high power ignition coils\u003c\/li\u003e\n\u003cli\u003eMSD spark cables\u003c\/li\u003e\n\u003cli\u003eCNC Cut ignition coil mount\u003c\/li\u003e\n\u003cli\u003ePnP Harness adapters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDesigned For\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMazda RX-8\u003c\/li\u003e\n\u003cli\u003e13B-MSP \/ Renesis rotary engine\u003c\/li\u003e\n\u003cli\u003eStreet cars\u003c\/li\u003e\n\u003cli\u003ePerformance builds\u003c\/li\u003e\n\u003cli\u003eTurbo RX-8 applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Upgrade the RX-8 Ignition System?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA properly functioning ignition system is particularly important on rotary engines.\u003c\/p\u003e\n\u003cp\u003eIgnition components should be checked as part of routine RX-8 maintenance and when diagnosing misfire, poor combustion or performance issues.\u003c\/p\u003e\n\u003cp\u003eFor modified and turbocharged vehicles, ignition-system condition becomes even more important.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRotary Specialist Support\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis product is supplied by Rotary Secret Garage, where RX-7 and RX-8 rotary engines are built, modified and tuned in-house.\u003c\/p\u003e\n\u003cp\u003eContact us before ordering if you are unsure about compatibility with your vehicle or ECU configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWorldwide shipping available.\u003c\/strong\u003e\u003c\/p\u003e","brand":"RSG Engineered","offers":[{"title":"Default Title","offer_id":58731665457536,"sku":"RSG-RX8-IGN-COILKIT","price":362.91,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1013\/2573\/4272\/files\/result_img_2026_01_10_18_27_14.jpg?v=1787595115"},{"product_id":"ngk-rx-8-trailing-spark-plug-re9b-t-6701-laser-iridium-made-in-japan","title":"NGK RX-8 Trailing Spark Plug RE9B-T 6701 Laser Iridium – Made in Japan","description":"\u003cp\u003e\u003cstrong\u003eNGK RE9B-T RX-8 Trailing Spark Plug\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eNGK RE9B-T 6701\u003c\/strong\u003e is the correct trailing-position spark plug for the Mazda RX-8 13B Renesis.\u003c\/p\u003e\n\u003cp\u003eNGK's official application catalogue specifies:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLeading:\u003c\/strong\u003e RE7C-L \/ 6700\u003cbr\u003e\u003cstrong\u003eTrailing:\u003c\/strong\u003e RE9B-T \/ 6701\u003cbr\u003e\u003cstrong\u003eQuantity required:\u003c\/strong\u003e 2 trailing plugs per engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRSG – JAPANESE-MADE STOCK\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAn important detail when purchasing RX-8 spark plugs is \u003cstrong\u003ewhere the actual plug was manufactured\u003c\/strong\u003e, not simply the part number printed on the listing.\u003c\/p\u003e\n\u003cp\u003eProducts carrying the same \u003cstrong\u003eRE9B-T \/ 6701 reference can appear through different international supply channels.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor this reason, \u003cstrong\u003eRotary Secret Garage specifically sources RE9B-T plugs manufactured in Japan.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRSG SUPPLIED STOCK: MADE IN JAPAN\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePRODUCT DETAILS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine \u003cstrong\u003eNGK\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eModel: \u003cstrong\u003eRE9B-T\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eStock Number: \u003cstrong\u003e6701\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eType: \u003cstrong\u003eLaser Iridium\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePosition: \u003cstrong\u003eTrailing\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eVehicle: Mazda RX-8\u003c\/li\u003e\n\u003cli\u003eEngine: \u003cstrong\u003e13B Renesis \/ 13B-MSP\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eRSG supplied stock: \u003cstrong\u003eMade in Japan\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eQuantity required per engine: \u003cstrong\u003e2\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSold individually\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe RX-8 uses different spark plugs for the \u003cstrong\u003eLeading and Trailing positions\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis product is:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTRAILING – RE9B-T \/ 6701\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLEADING – RE7C-L \/ 6700\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWorldwide shipping available.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":58731669455232,"sku":"NGK-RX8-IGN-RE9BT-6701-JP","price":32.25,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1013\/2573\/4272\/files\/IMG_20250304_092958.jpg?v=1787574417"},{"product_id":"ngk-re7c-l-6700-laser-iridium-rx-8-leading-spark-plug-made-in-japan","title":"NGK RE7C-L 6700 Laser Iridium RX-8 Leading Spark Plug – Made in Japan","description":"\u003cp\u003e\u003cstrong\u003eNGK RE7C-L RX-8 Leading Spark Plug\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eNGK RE7C-L 6700\u003c\/strong\u003e is the specified leading-position spark plug for the Mazda RX-8 13B Renesis.\u003c\/p\u003e\n\u003cp\u003eNGK's official Japanese application catalogue confirms \u003cstrong\u003eRE7C-L \/ 6700 for the leading position\u003c\/strong\u003e and RE9B-T \/ 6701 for trailing, with \u003cstrong\u003etwo of each required per engine\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRSG – MADE IN JAPAN STOCK\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRSG specifically sources \u003cstrong\u003eJapanese-manufactured RE7C-L plugs\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAlthough RE7C-L \/ 6700 plugs are available through many international supply channels, RSG verifies the origin of the stock we supply rather than relying only on the part number.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRSG SUPPLIED STOCK: MADE IN JAPAN\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePRODUCT DETAILS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer: \u003cstrong\u003eNGK\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart Number: \u003cstrong\u003eRE7C-L\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eNGK Stock Number: \u003cstrong\u003e6700\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eElectrode: Iridium centre \/ platinum ground\u003c\/li\u003e\n\u003cli\u003eVehicle: \u003cstrong\u003eMazda RX-8\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eEngine: \u003cstrong\u003e13B Renesis \/ 13B-MSP\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePosition: \u003cstrong\u003eLeading\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eRequired per engine: \u003cstrong\u003e2\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eRSG stock origin: \u003cstrong\u003eMade in Japan\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSold individually\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe RX-8 uses \u003cstrong\u003edifferent Leading and Trailing spark plugs\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLEADING:\u003c\/strong\u003e RE7C-L \/ 6700 ×2\u003cbr\u003e\u003cstrong\u003eTRAILING:\u003c\/strong\u003e RE9B-T \/ 6701 ×2\u003c\/p\u003e\n\u003cp\u003eFor a complete ignition service, order \u003cstrong\u003e2 Leading + 2 Trailing plugs\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWorldwide Shipping Available.\u003c\/strong\u003e\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":58731669488000,"sku":"NGK-RX8-IGN-RE7CL-6700-JP","price":32.25,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1013\/2573\/4272\/files\/IMG_20250304_092841.jpg?v=1787574269"},{"product_id":"ngk-racing-r7420-10-competition-spark-plug-rx-7-13b-20b","title":"NGK Racing R7420-10 Competition Spark Plug – RX-7 \/ 13B \/ 20B","description":"\u003cp\u003e\u003cstrong\u003eNGK R7420-10 Racing Competition Spark Plug\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eNGK R7420-10\u003c\/strong\u003e is part of NGK's dedicated Racing Competition range, developed for engines operating under substantially higher temperatures, cylinder pressures and loads than standard applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRACING SPECIFICATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eR7420-10\u003c\/strong\u003e uses:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eHeat Range: 10\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIridium centre electrode\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePlatinum ground electrode\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eSolid terminal\u003c\/li\u003e\n\u003cli\u003eDedicated NGK Racing construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNGK states that its Racing plugs are intended for \u003cstrong\u003eracing, circuit use and highly tuned engines\u003c\/strong\u003e, and that heat range should be selected according to the engine specification and operating conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRSG SUPPLIED STOCK: JAPAN SOURCED • MADE IN JAPAN\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAPPLICATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRecommended for appropriately specified performance applications including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMazda RX-7\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e13B performance builds\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e13B-REW\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e20B performance builds\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eHigh-boost applications\u003c\/li\u003e\n\u003cli\u003eMotorsport \/ competition engines\u003c\/li\u003e\n\u003cli\u003eTrack and drag applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT – NOT A STANDARD REPLACEMENT PLUG\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNGK specifically warns that Racing plug \u003cstrong\u003eheat range and firing-end design must be selected according to engine tuning level and operating conditions\u003c\/strong\u003e. A plug that is too cold can foul during low-temperature\/low-load operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUnsure whether your engine requires R7420-10? Contact RSG with your engine specification, power level, fuel and intended use.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWorldwide Shipping Available.\u003c\/strong\u003e\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":58731669553536,"sku":"NGK-RX7-IGN-R7420-10-5501-JP","price":44.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1013\/2573\/4272\/files\/IMG_20250304_092815.jpg?v=1787572929"},{"product_id":"ngk-racing-r6725-11-competition-spark-plug-13b-20b","title":"NGK Racing R6725-11 Competition Spark Plug – 13B \/ 20B","description":"\u003cp\u003e\u003cstrong\u003eNGK R6725-11 Racing Competition Spark Plug\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eNGK R6725-11\u003c\/strong\u003e is a specialist Racing Competition spark plug designed for engines operating under extreme temperatures, cylinder pressures and sustained high loads.\u003c\/p\u003e\n\u003cp\u003eRACING SPECIFICATION\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNGK Racing Competition series\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHeat Range: 11\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eCentre electrode: \u003cstrong\u003ePlatinum\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eGround electrode: \u003cstrong\u003ePlatinum\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSolid terminal\u003c\/li\u003e\n\u003cli\u003eNGK Stock Number: \u003cstrong\u003e4311\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDesigned for competition \/ highly tuned engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRSG – JAPAN SOURCED\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAs with all NGK spark plugs supplied by RSG, we specifically source our competition plugs from \u003cstrong\u003eJapan\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAPPLICATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSuitable for appropriately specified applications including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e13B\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e13B-REW\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e20B\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eHigh-boost engines\u003c\/li\u003e\n\u003cli\u003eHigh-power builds\u003c\/li\u003e\n\u003cli\u003eDrag applications\u003c\/li\u003e\n\u003cli\u003eCircuit \/ race engines\u003c\/li\u003e\n\u003cli\u003eOther competition applications requiring an NGK heat range 11 plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eR6725-11 is a competition spark plug\u003c\/strong\u003e, not a standard replacement plug.\u003c\/p\u003e\n\u003cp\u003eA colder heat range is not automatically better. Plug selection should be based on engine specification, power level, boost, fuel and intended use.\u003c\/p\u003e\n\u003cp\u003eFor primarily street-driven engines, an excessively cold competition plug can be more prone to fouling during low-load operation. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eContact RSG if you are unsure which competition plug is appropriate for your engine.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: HelveticaNeueW01-65Medi, HelveticaNeueW02-65Medi, HelveticaNeueW10-65Medi, sans-serif;\"\u003eWorldwide Shipping Available.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":58731669586304,"sku":"NGK-RX7-IGN-R6725-11-4311-JP","price":44.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1013\/2573\/4272\/files\/IMG_20250304_093607.jpg?v=1787572759"},{"product_id":"haltech-high-output-ign-1a-ignition-coil-ht-020114","title":"Haltech High Output IGN-1A Ignition Coil – HT-020114","description":"\u003cp\u003eThe \u003cstrong\u003eHaltech IGN-1A\u003c\/strong\u003e is a high-output inductive ignition coil with a \u003cstrong\u003ebuilt-in ignition module\u003c\/strong\u003e, designed for demanding performance and motorsport applications. Its combination of high ignition energy and long spark duration makes it a popular choice for \u003cstrong\u003ehigh-boost, high-power and rotary engine applications\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSupplied complete with the \u003cstrong\u003ematching connector and pins\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-output \u003cstrong\u003eIGN-1A inductive coil\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eBuilt-in ignition module \/ ignitor\u003c\/li\u003e\n\u003cli\u003eLong spark duration\u003c\/li\u003e\n\u003cli\u003eSuitable for high-power applications\u003c\/li\u003e\n\u003cli\u003eDirect low-current ECU triggering\u003c\/li\u003e\n\u003cli\u003eMatching plug \u0026amp; pins included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHaltech Part Number:\u003c\/strong\u003e HT-020114\u003c\/p\u003e","brand":"Haltech","offers":[{"title":"Default Title","offer_id":58731670503808,"sku":"HT-020114","price":68.54,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1013\/2573\/4272\/files\/Haltech_IGN-1A_high_output_ignition_coil_with_built-in_ignitor_HT-020114.png?v=1787561820"}],"url":"https:\/\/rotarysecretgarage.com\/collections\/rx-8-ignition.oembed","provider":"Rotary Secret Garage","version":"1.0","type":"link"}