NGK BKR4EIX / 5693 Iridium IX Spark Plug Genuine NGK Component. Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. The fine iridium tip ensures high durability and a consistently stable spark. The iridium alloy has an extremely high melting point, perfect for today's high-tech, high-performance engines. Trivalent metal plating provides superior anti-corrosion and anti-seizing properties. Experience outstanding acceleration, high fuel efficiency and durability with this ultimate design, technology and performance spark plug. BOX DIMENSIONS: Height (mm): 84, Width (mm): 24, Length (mm): 21. If you are unsure as to whether this is the correct part for your vehicle, please don't hesitate to contact us. Alternatively please use the cross reference table above. Contact Us: eBay Messaging Service. Important: Always Check this product is correct for your vehicle before purchase. Customer Feedback: We're dedicated to customer satisfaction, that's why our feedback is so great. Over 10 Years Online: Experience is premium in the automotive business, and we have loads of it. Free Expert Advice: Our experts are happy to answer your questions on oil or anything else we stock. Genuine UK Stock: All shipped from the UK. No Leak Guarantee: Any damages, we replace, no quibbles. Free Shipping: Free UK Mainland Shipping on all listings. Express Shipping Available: Upgrade your purchase to priority handling. 60 Day Returns: Quick and efficient returns policy. Technical Data: In Brief: --Brand: NGK --Quantity: 1 Unit. Full Details: AUTHORISED NGK UK STOC.