{"product_id":"ngk-laser-iridium-spark-plugs-set-of-4-izfr6k11-6994-fine-iridium-electrode-long-life-replacement","title":"NGK Laser Iridium Spark Plugs set of 4 IZFR6K11 (6994) — fine iridium electrode, long-life replacement","description":"\u003cp\u003e\u003cstrong\u003eThese are genuine NGK Laser Iridium spark plugs (model IZFR6K11 \/ 6994) sold as a set of four, designed as direct replacement plugs for compatible gasoline engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eNGK's Laser Iridium line pairs a fine iridium center electrode with precise manufacturing to provide reliable ignition, long service life, and consistent performance compared to conventional plugs. This listing is for a factory-original 4-pack that includes original packaging and the hardware you need for a straightforward swap—confirm vehicle compatibility with your fitment tool before purchase.\u003c\/p\u003e\n\n\u003ch3\u003eWill these NGK IZFR6K11 plugs fit my vehicle?\u003c\/h3\u003e\n\u003cp\u003eCompatibility depends on your engine's thread size, reach, heat range, and electrode type. NGK part number IZFR6K11 (also referenced as 6994) fits a range of OEM applications; always verify with your vehicle's service manual or the retailer's fitment checker to ensure an exact match.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePart number: IZFR6K11 \/ 6994\u003c\/li\u003e\n  \u003cli\u003eSold as a set of four plugs\u003c\/li\u003e\n  \u003cli\u003eConfirm thread size, reach, and heat range for your engine\u003c\/li\u003e\n  \u003cli\u003eUse Amazon Confirmed Fit or dealer lookup to verify compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do Laser Iridium plugs perform compared with standard plugs?\u003c\/h3\u003e\n\u003cp\u003eLaser Iridium plugs use a very fine iridium center electrode for improved spark precision and durability. They generally offer longer service intervals and more stable ignition characteristics than conventional nickel plugs under normal driving conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFine iridium center electrode for consistent spark\u003c\/li\u003e\n  \u003cli\u003eHigh durability—iridium resists erosion better than nickel\u003c\/li\u003e\n  \u003cli\u003eImproved ignition reliability during cold starts and steady operation\u003c\/li\u003e\n  \u003cli\u003eOften recommended as OEM upgrades or replacement for modern engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the box and how easy is installation?\u003c\/h3\u003e\n\u003cp\u003eThe package contains four genuine NGK Laser Iridium spark plugs in their original packaging plus any small installation hardware included by NGK. Installation is straightforward for anyone comfortable with basic engine maintenance, but if you’re unsure, a professional technician can complete the swap quickly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFour NGK IZFR6K11 (6994) spark plugs in original packaging\u003c\/li\u003e\n  \u003cli\u003eIncluded hardware as supplied by NGK\u003c\/li\u003e\n  \u003cli\u003eTypical install: remove old plugs, gap check if needed, torque to spec\u003c\/li\u003e\n  \u003cli\u003eUse proper torque and anti-seize guidelines for reliable seating\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will these NGK plugs last and when should I replace them?\u003c\/h3\u003e\n\u003cp\u003eLaser Iridium plugs are built for longevity; many drivers see extended service intervals versus standard plugs, but actual lifespan varies with driving conditions and engine design. Follow your vehicle manufacturer’s recommended interval or inspect at routine service intervals to determine replacement timing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLonger life than conventional nickel plugs under normal use\u003c\/li\u003e\n  \u003cli\u003eReplacement interval depends on vehicle maker guidelines\u003c\/li\u003e\n  \u003cli\u003eInspect plugs during tune-ups or if symptoms like misfires appear\u003c\/li\u003e\n  \u003cli\u003eProper installation helps achieve full service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This set of NGK IZFR6K11 (6994) Laser Iridium spark plugs is intended for vehicle owners, mechanics, and DIY enthusiasts seeking a genuine OEM replacement with improved electrode durability. It’s suitable for drivers who want a dependable, long-lasting ignition component that meets manufacturer specifications—always verify fitment for your exact engine before purchasing.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this NGK set sold as original equipment?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, this listing is for genuine NGK Laser Iridium plugs (IZFR6K11 \/ 6994) in original packaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to re-gap the plugs before installation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: These NGK plugs typically come pre-gapped, but always check and adjust to your vehicle manufacturer's specification before installing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":55171549659479,"sku":"B00M5ETD3Y","price":59.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/ngk-izfr6k11-packaging-front.jpg?v=1790447938","url":"https:\/\/britishgarage.co.uk\/products\/ngk-laser-iridium-spark-plugs-set-of-4-izfr6k11-6994-fine-iridium-electrode-long-life-replacement","provider":"British Garage","version":"1.0","type":"link"}