{"product_id":"denso-4116-spark-plug","title":"Denso 4116 Spark Plug","description":"\u003ch2\u003eOverview of Denso 4116 Spark Plug for Ferrari and Lamborghini\u003c\/h2\u003e\u003cp\u003eThe Denso 4116 spark plug is engineered for high-performance vehicles such as the Ferrari 348 GTS, 348 TS, Testarossa, and Lamborghini Diablo, Mondial 3.2, and Mondial t. Designed to deliver reliable ignition and consistent performance, this spark plug supports optimal engine operation in these specific models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eU-groove ground electrode tip design for improved spark exposure\u003c\/li\u003e\n\u003cli\u003eNickel ground and center electrode tips with copper core for efficient conductivity\u003c\/li\u003e\n\u003cli\u003eStandard ground configuration with a single ground electrode\u003c\/li\u003e\n\u003cli\u003eFlat seat type with 19.00 mm reach and 12.00 mm thread diameter\u003c\/li\u003e\n\u003cli\u003ePre-gap size of 0.7 mm and manufacturer heat range of 27\u003c\/li\u003e\n\u003cli\u003e18.0 mm hex size for standard installation tools\u003c\/li\u003e\n\u003cli\u003eResistance rating of 5000 ohms to reduce electrical noise\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Features and Specifications\u003c\/h2\u003e\u003cp\u003eThe Denso 4116 spark plug features a U-groove ground electrode tip design that enhances spark exposure to the air-fuel mixture, promoting efficient combustion. The ground electrode and center electrode tips are made of nickel, while the center electrode core is copper, providing a balance of durability and excellent thermal conductivity. The single ground electrode with a standard configuration ensures consistent spark delivery. With a flat seat type and a reach of 19.00 mm, this spark plug fits securely in the combustion chamber of compatible Ferrari and Lamborghini models. The pre-gap size of 0.7 mm is optimized for these engines, and the manufacturer heat range of 27 supports stable operation under various driving conditions. Additionally, the 5000 ohm resistance helps minimize electromagnetic interference with vehicle electronics.\u003c\/p\u003e\u003ch2\u003eAbout the U-Groove Conventional Product Line\u003c\/h2\u003e\u003cp\u003eThe Denso U-Groove Conventional line focuses on spark plugs with a unique U-groove ground electrode tip design. This design improves spark exposure and combustion efficiency compared to traditional flat or tapered electrodes. The conventional construction ensures compatibility with a wide range of engines while providing reliable ignition performance. The 4116 part number within this line is tailored for high-performance European sports cars, combining proven materials like nickel and copper to meet specific engine requirements.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Ferrari 348 GTS, 348 TS, Testarossa, and Lamborghini Diablo, Mondial 3.2, Mondial t models\u003c\/li\u003e\n\u003cli\u003eHelps resolve misfires caused by worn or damaged spark plugs\u003c\/li\u003e\n\u003cli\u003eImproves cold start performance and throttle response\u003c\/li\u003e\n\u003cli\u003eReduces electromagnetic interference affecting vehicle electronics\u003c\/li\u003e\n\u003cli\u003eSupports consistent combustion for smoother engine operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUse an 18.0 mm socket wrench for proper installation\u003c\/li\u003e\n\u003cli\u003eEnsure the spark plug gap is set to 0.7 mm before installation if adjustment is needed\u003c\/li\u003e\n\u003cli\u003eApply anti-seize compound on threads if recommended by the vehicle manufacturer\u003c\/li\u003e\n\u003cli\u003eTorque to manufacturer specifications to avoid damage to the flat seat\u003c\/li\u003e\n\u003cli\u003eInspect ignition components for wear during replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso spark plugs, including the 4116 part number, are manufactured to meet strict quality standards for durability and performance. The use of nickel and copper materials ensures reliable conductivity and heat dissipation. While specific warranty details may vary, Denso products typically come with manufacturer-backed quality assurance to support their use in high-performance vehicles such as Ferrari and Lamborghini models.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":43446369976501,"sku":"BBNF-4116","price":10.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_4116_Fro.jpg?v=1774734430","url":"https:\/\/www.partcatalog.com\/products\/denso-4116-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}