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    NGK Iridium Spark Plug

    Vendor: NGK
    Part Number: 91874
    Regular Price $200.80

    Available to order. In-stock orders typically ship in 1 to 2 business days.

    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
    Free Shipping on Orders Over $99 | Excludes freight shipments
    International Shipping Available: email sales@berryperformancesales.com for a quote.
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    NGK Laser Iridium High Ignitability spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium High Ignitability spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Laser Iridium High Ignitability spark plugs feature raised platinum pad or platinum fine wire tip on the ground electrode for even wear in distributorless ignition systems and improved spark performance.

    • Pure alumina silicate ceramic insulator provides superior strength and better heat transfer
    • Trivalent metal plating for superior anti-corrosion and anti-seizing properties
    • RECOMMENDED USAGE: Best for vehicles with OE SPE iridium alloy plugs
    • Copper core aids in heat removal
    • Triple seals prevent leakage

    This Part Fits:

    Year Make Model Submodel
    2011-2013 BMW 550i Base
    2010-2012 BMW 550i GT Base
    2010-2012 BMW 550i GT xDrive Base
    2011-2013 BMW 550i xDrive Base
    2012 BMW 650i Base
    2012 BMW 650i xDrive Base
    2011-2012 BMW 750i ActiveHybrid
    2009-2012 BMW 750i Base
    2010-2012 BMW 750i xDrive Base
    2011-2012 BMW 750Li ActiveHybrid
    2009-2012 BMW 750Li Base
    2010-2012 BMW 750Li xDrive Base
    2010-2015 BMW 760Li Base
    2010-2013 BMW X5 M
    2011-2013 BMW X5 xDrive50i
    2010-2011 BMW X6 ActiveHybrid
    2010-2014 BMW X6 M
    2008-2014 BMW X6 xDrive50i
    2011-2013 Rolls-Royce Ghost Base
    2012-2013 Rolls-Royce Ghost EWB
    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    Read the full Shipping Policy

    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

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