{"product_id":"hks-upgrade-zundkerze-mercedes-m176-m177-m178-4-0","title":"HKS Upgrade Spark Plug | Mercedes M176\/M177\/M178 4.0 ","description":"\u003c!-- ===================== SEO HEAD ===================== --\u003e\n\u003cp\u003e\u003c\/p\u003e\n\n\u003c!-- ===================== PRODUCT CONTENT ===================== --\u003e\n\u003cstyle\u003e\n  .kth-wrap{\n    --blue:#0b245b; --text:#111; --muted:#6b7280; --border:#e5e7eb;\n    font-family:\"Inter\",system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;\n    color:var(--text); line-height:1.6; max-width:900px; margin:0 auto; padding:2rem 1rem;\n  }\n  .kth-wrap h1{font-size:2rem;font-weight:700;color:var(--blue);margin-bottom:.5rem}\n  .kth-wrap h2{font-size:1.2rem;font-weight:600;color:var(--blue);margin-top:2rem;margin-bottom:.5rem}\n  .kth-lead{color:var(--muted);margin-bottom:1.5rem}\n  .kth-card{border:1px solid var(--border);border-radius:10px;padding:1rem 1.25rem;margin-top:.5rem}\n  .kth-list{margin:0;padding-left:1.25rem}\n  .kth-list li{margin-bottom:.35rem}\n  .kth-muted{color:var(--muted);margin-top:1rem;font-size:.9rem}\n  h2 {font-size: 32px !important;}\nh3 {font-size: 26px !important;}\n\n\u003c\/style\u003e\n\u003carticle class=\"kth-wrap\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Product\"\u003e\u003cheader\u003e\n\u003ch2 itemprop=\"name\"\u003e High-performance spark plug upgrade\u003c\/h2\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n \u003cp class=\"kth-lead\"\u003eHigh-performance ignition system for optimized combustion – designed for high engine speeds, increased cylinder pressures and maximum reliability in performance and motorsport applications.\u003c\/p\u003e\n\n\u003c\/header\u003e\n\u003csection\u003e\n\u003ch2\u003e Description\u003c\/h2\u003e\n\n\u003cp itemprop=\"description\"\u003e The \u003cstrong\u003ehigh-performance ignition coil upgrade\u003c\/strong\u003e replaces the standard ignition coils with a significantly more powerful version offering increased ignition energy. The goal is \u003cstrong\u003estable, clean combustion\u003c\/strong\u003e even at high engine speeds, in high-performance engines, and under demanding operating conditions.\u003c\/p\u003e\n\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003e Technical benefits\u003c\/h2\u003e\n\n\u003cdiv class=\"kth-card\"\u003e\n\n\u003cul class=\"kth-list\"\u003e\n\n\u003cli\u003e Increased ignition energy for stable combustion\u003c\/li\u003e\n\n\u003cli\u003e Reduction of misfires under high load\u003c\/li\u003e\n\n\u003cli\u003e Improved combustion at high engine speeds\u003c\/li\u003e\n\n\u003cli\u003e Optimal conditions for performance improvements\u003c\/li\u003e\n\n\u003cli\u003e Increased stability in motorsport applications\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003e Driving dynamics \u0026amp; performance\u003c\/h2\u003e\n\n\u003cdiv class=\"kth-card\"\u003e\n\n\u003cul class=\"kth-list\"\u003e\n\n\u003cli\u003e Smooth power delivery across the entire rev range\u003c\/li\u003e\n\n\u003cli\u003e Stable engine running at full load\u003c\/li\u003e\n\n\u003cli\u003e Improved throttle response\u003c\/li\u003e\n\n\u003cli\u003e Increased safety at high performance levels\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003e Compatibility (selection)\u003c\/h2\u003e\n\n\u003cdiv class=\"kth-card\"\u003e\n\n\u003cul class=\"kth-list\"\u003e\n\n \u003cli\u003eMercedes AMG 4.0 M176\/M177\/M178\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\u003cp class=\"kth-muted\"\u003e The exact compatibility depends on the engine type, year of manufacture and ignition system design.\u003c\/p\u003e\n\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003e Area of ​​application\u003c\/h2\u003e\n\n\u003cp class=\"kth-muted\"\u003e Developed for high-performance road vehicles, stage conversions, track day cars, and motorsport applications. Especially recommended for increased boost pressure, high RPMs, or modified naturally aspirated engines.\u003c\/p\u003e\n\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003e Notes\u003c\/h2\u003e\n\n\u003cp class=\"kth-muted\"\u003e \u003cstrong\u003eRacing equipment\u003c\/strong\u003e – ​​not approved for use on public roads.\u003cbr\u003e Installation should only be carried out by a \u003cstrong\u003equalified specialist workshop\u003c\/strong\u003e . For optimal results, we recommend combining it with adapted engine software.\u003c\/p\u003e\n\n\u003c\/section\u003e\n\u003cp class=\"kth-muted\"\u003e © Kraftfahrzeug Technik Hannover (KTH)\u003c\/p\u003e\n\n\u003c\/article\u003e","brand":"KTH Onlineshop","offers":[{"title":"Default Title","offer_id":56820456096069,"sku":"HKS50003-M45HL","price":27.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1008\/7786\/1189\/files\/hks-50003-m45hl.webp?v=1769440596","url":"https:\/\/kthshop.de\/en\/products\/hks-upgrade-zundkerze-mercedes-m176-m177-m178-4-0","provider":"KTH Shop","version":"1.0","type":"link"}