{"product_id":"ngk-iridium-ix-spark-plug-box-of-4-bpr6eix-11","title":"NGK Iridium IX Spark Plug Box of 4 (BPR6EIX-11)","description":"\u003cp class=\"p1\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e: 3903 \/ \u003cstrong\u003eUPC\u003c\/strong\u003e: 87295139035\u003c\/p\u003e\n\u003ch4 class=\"p1\"\u003eNGK Iridium IX Spark Plug Box of 4 (BPR6EIX-11)\u003c\/h4\u003e\n\u003cp class=\"p1\"\u003eThe NGK Iridium IX Spark Plug Box of 4 (BPR6EIX-11). Engineered for performance enthusiasts, these spark plugs deliver unmatched acceleration, superior fuel efficiency, and exceptional durability, making them the top choice over all other spark plugs on the market. NGK, the world’s leading spark plug manufacturer, combines cutting-edge iridium technology with precision engineering to ensure your engine runs at its peak, whether you’re cruising city streets or pushing the limits on the track.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eWhy NGK?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe NGK Iridium IX BPR6EIX-11 spark plugs outperform copper, platinum, and standard nickel plugs in every category. Here’s why they’re the ultimate upgrade for your vehicle:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eIgnitability\u003c\/b\u003e: The 0.6mm fine-wire iridium center electrode delivers a consistently stable spark, ensuring complete fuel combustion for maximum power output.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eAcceleration\u003c\/b\u003e: Experience lightning-fast throttle response and smoother idling, perfect for high-performance and fuel-injected engines.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eFuel Efficiency\u003c\/b\u003e: Optimized combustion reduces fuel consumption, saving you money at the pump while boosting MPG.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eDurability\u003c\/b\u003e: Iridium’s high melting point and robust alloy—six times harder and eight times stronger than platinum—ensure a lifespan of 40,000 to 50,000 miles, even in high-heat, turbocharged engines.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eAnti-Fouling \u0026amp; Anti-Corrosion\u003c\/b\u003e: Trivalent metal plating provides superior resistance to corrosion and seizing, eliminating the need for anti-seize lubricants and ensuring easy installation and removal.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eEasier Cold Starts\u003c\/b\u003e: Lower voltage requirements reduce battery strain, making startups effortless, even in freezing conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eNo other spark plug matches the NGK Iridium IX’s blend of performance, reliability, and longevity, making it the go-to choice for automotive enthusiasts and professionals worldwide.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eIncluded:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eQuantity\u003c\/b\u003e: Box of 4 NGK Iridium IX Spark Plugs\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003ePart Number\u003c\/b\u003e: BPR6EIX-11 (NGK Stock #3903)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eUPC\u003c\/b\u003e: 87295139035\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eSpecifications\u003c\/b\u003e:\u003c\/li\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eThread Size: 14mm\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eHex Size: 5\/8\" (16mm)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eReach: 19mm (3\/4\")\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eSeat Type: Gasket\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eGap: Pre-gapped at 0.044\" (1.1mm) – adjustable for specific applications\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eHeat Range: 6\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eTerminal Type: Solid\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eResistor: Yes\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eCenter Electrode: Fine-wire iridium, 0.6mm\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eGround Electrode: Taper-cut, nickel alloy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eTorque Specs\u003c\/b\u003e:\u003c\/li\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eCast Iron Heads: 18–25.3 lb. ft.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eAluminum Heads: 18–21.6 lb. ft.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eWarranty\u003c\/b\u003e: Manufacturer’s warranty.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003ePackaging\u003c\/b\u003e: Securely packaged for safe delivery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eFitment:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe NGK Iridium IX BPR6EIX-11 spark plugs are compatible with a wide range of vehicles from leading manufacturers. Below is a detailed fitment list based on verified compatibility data.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eAlways confirm with your vehicle’s manual or NGK’s Part Finder at ngk.com\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eSuzuki\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eModel\u003c\/b\u003e: Various (e.g., Samurai, Sidekick)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eYears\u003c\/b\u003e: 1985–1995\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eEngines\u003c\/b\u003e: 1.3L, 1.6L\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eOEM Part Number\u003c\/b\u003e: 99000-79K60-PR6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eMazda\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eModel\u003c\/b\u003e: 323, Miata, Protege\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eYears\u003c\/b\u003e: 1986–1994\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eEngines\u003c\/b\u003e: 1.6L, 1.8L\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eOEM Part Number\u003c\/b\u003e: 1UN4-18-110\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eNissan\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eModel\u003c\/b\u003e: Pulsar, Sentra\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eYears\u003c\/b\u003e: 1982–1990\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eEngines\u003c\/b\u003e: 1.6L\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eOEM Part Number\u003c\/b\u003e: BY481-BPR6E\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eMitsubishi\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eModel\u003c\/b\u003e: Mirage, Cordia\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eYears\u003c\/b\u003e: 1983–1992\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eEngines\u003c\/b\u003e: 1.5L, 1.6L\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eOEM Part Number\u003c\/b\u003e: MZ602061\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eDaihatsu\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eModel\u003c\/b\u003e: Charade\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eYears\u003c\/b\u003e: 1988–1992\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eEngines\u003c\/b\u003e: 1.0L, 1.3L\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eOEM Part Number\u003c\/b\u003e: 999-06910-X9-002\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eHarley-Davidson\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eModel\u003c\/b\u003e: Various (e.g., Sportster)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eYears\u003c\/b\u003e: 1986–2006\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eEngines\u003c\/b\u003e: 883cc, 1200cc\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eOEM Part Numbers\u003c\/b\u003e: EVS13P, 32327-91\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eOther Compatible Brands\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eBosch\u003c\/b\u003e: WR6DPX, WR7DPX, 4217\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eDENSO\u003c\/b\u003e: IW20, IW20TT, W20EPR-ZU11, 3323, 4709\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eBeck\/Arnley\u003c\/b\u003e: 1765291\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eFor precise fitment, use NGK’s Part Finder (ngkpartfinder.co.uk or ngk.com) or consult your vehicle’s service manual. These plugs cover 95% of import and domestic vehicles, making them a versatile choice for performance upgrades or OEM replacements.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eCross-Reference Part Numbers\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe NGK BPR6EIX-11 (3903) replaces the following part numbers, ensuring compatibility with a broad range of applications:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eNGK: BPR6EIX-11\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eSuzuki: 99000-79K60-PR6\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eBeck\/Arnley: 1765291\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eDENSO: 3323, 4709, IW20, IW20TT, W20EPR-ZU11\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eHarley-Davidson: EVS13P, 32327-91\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eDaihatsu: 999-06910-X9-002\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eNissan: BY481-BPR6E\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eMitsubishi: MZ602061\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eBosch: WR6DPX, WR7DPX, 4217\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eMazda: 1UN4-18-110\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":43244386156623,"sku":"NGK3903","price":90.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/SKU_3903_87295139035.jpg?v=1751919465","url":"https:\/\/www.blackopsautoworks.com\/products\/ngk-iridium-ix-spark-plug-box-of-4-bpr6eix-11","provider":"Black Ops Auto Works","version":"1.0","type":"link"}