{"product_id":"r5671a-8-racing-spark-plugs-4554-set-of-8-performance-plugs-for-race-high-compression-engines","title":"R5671A-8 Racing Spark Plugs 4554 | Set of 8 | Performance Plugs for Race \u0026 High-Compression Engines","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for High-Performance \u0026amp; Racing Applications – Engineered for high-compression, forced induction, and high-RPM engines, delivering optimal ignition performance under extreme conditions.\u003c\/li\u003e\n\u003cli\u003eNGK Racing Series for Maximum Spark Efficiency – The R5671A-8 spark plugs provide a strong, consistent spark, improving combustion efficiency and overall engine power.\u003c\/li\u003e\n\u003cli\u003eCopper Core for Superior Heat Dissipation – Features a copper core center electrode, allowing for better thermal conductivity and heat control, reducing the risk of pre-ignition and detonation.\u003c\/li\u003e\n\u003cli\u003eHeat Range 8 for Precision Tuning – A colder heat range designed to prevent overheating in high-horsepower applications, making it perfect for racing, turbocharged, and supercharged setups.\u003c\/li\u003e\n\u003cli\u003eTrusted Quality for Durability \u0026amp; Longevity – Manufactured with premium materials, these plugs ensure reliable performance, improved throttle response, and increased engine longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Michigan Motorsports\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCore Material:\u003c\/strong\u003e Copper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e 14mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop Material Type:\u003c\/strong\u003e Copper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle Service Type:\u003c\/strong\u003e Car\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Michigan Motorsports","offers":[{"title":"Default Title","offer_id":50501352194288,"sku":"B0DXHN7SSJ","price":116.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/8464\/5360\/files\/41gzRwD8qgL_f9301367-dc7f-4789-b3ec-8255ad32285a.jpg?v=1789901993","url":"https:\/\/wrenchvanta.com\/products\/r5671a-8-racing-spark-plugs-4554-set-of-8-performance-plugs-for-race-high-compression-engines","provider":"WrenchVanta","version":"1.0","type":"link"}