{"product_id":"denso-5720-spark-plug","title":"Denso 5720 Spark Plug","description":"\u003ch2\u003eOverview of Denso Iridium Racing Spark Plug 5720\u003c\/h2\u003e\u003cp\u003eThe Denso Iridium Racing spark plug 5720 is engineered for Mazda RX-7 vehicles requiring reliable secondary ignition components. Designed with advanced materials and precise specifications, this spark plug supports consistent engine performance and efficient combustion.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIridium center electrode tip for enhanced durability\u003c\/li\u003e\n\u003cli\u003eFull platinum ground electrode tip design\u003c\/li\u003e\n\u003cli\u003eSlant ground configuration with a single ground electrode\u003c\/li\u003e\n\u003cli\u003eCopper core center electrode for optimal conductivity\u003c\/li\u003e\n\u003cli\u003eFlat seat type with 14.00 mm thread diameter and 21.50 mm reach\u003c\/li\u003e\n\u003cli\u003ePre-gap size of 0.7 mm for precise ignition timing\u003c\/li\u003e\n\u003cli\u003eManufacturer heat range rating of 31\u003c\/li\u003e\n\u003cli\u003eHex size of 20.6 mm for installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis Denso Iridium Racing spark plug 5720 features an iridium center electrode tip, known for its high melting point and wear resistance, which contributes to longer service life and stable ignition. The ground electrode tip is fully platinum-coated, enhancing electrode durability and reducing erosion. The slant ground configuration with a single nickel core electrode optimizes spark exposure and combustion efficiency. The copper core center electrode improves thermal conductivity, helping to dissipate heat effectively during operation.\u003c\/p\u003e\u003cp\u003eWith a pre-gap size of 0.7 mm, this spark plug ensures accurate spark gap for consistent ignition. The flat seat type and 14.00 mm thread diameter provide secure fitment in the combustion chamber, while the 21.50 mm reach suits the Mazda RX-7 engine design. The heat range of 31 is calibrated to maintain optimal operating temperature under racing conditions.\u003c\/p\u003e\u003ch2\u003eAbout the Iridium Racing Product Line\u003c\/h2\u003e\u003cp\u003eThe Iridium Racing line by Denso is tailored for performance-oriented ignition components. This product line focuses on combining iridium and platinum materials to deliver enhanced durability and stable ignition performance under demanding conditions. The 5720 spark plug exemplifies this approach, offering a balance of longevity and efficient combustion for Mazda RX-7 engines.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Mazda RX-7 models requiring secondary ignition spark plugs\u003c\/li\u003e\n\u003cli\u003eAddresses misfires caused by electrode wear or corrosion\u003c\/li\u003e\n\u003cli\u003eImproves cold start performance and throttle response\u003c\/li\u003e\n\u003cli\u003eReduces fouling and carbon buildup in the combustion chamber\u003c\/li\u003e\n\u003cli\u003eHelps maintain consistent engine power and fuel efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Denso Iridium Racing spark plug 5720, ensure the pre-gap is set to 0.7 mm if adjustment is necessary. Use a 20.6 mm hex socket for proper torque application. Verify the flat seat type matches the engine’s cylinder head design to prevent compression leaks. It is recommended to replace spark plugs in sets to maintain balanced engine performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso manufactures the Iridium Racing spark plug 5720 to meet strict quality standards, ensuring reliable ignition performance. The use of premium materials such as iridium and platinum contributes to extended service life. While specific warranty details are not provided, Denso products typically adhere to manufacturer quality assurance protocols for automotive ignition components.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":43446427287733,"sku":"BBNF-5720","price":42.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_5720_Fro.jpg?v=1774734471","url":"https:\/\/www.partcatalog.com\/products\/denso-5720-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}