NGK IJR8B9 (4873) - Standard Spark Plug / Sparkplug 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 Important Always Check this product is correct for your vehicle before purchase. Full Details: AUTHORISED NGK UK STOCKIST ✔ GENUINE. NGK Laser Iridium Spark Plug Part Number: IJR8B9 -------------------------------------- Part Number: 4873, Trade No: IJR8B9 Manufacturer: NGK Thread Length : 19mm Outer thread : 12mm Hex Nut Size : 18 mm Spark projection : 3mm Connector Type : M4 Spec : Iridium centre electrode Spec : Single earthed electrode Type : interference Suppression 5 kOhm Gasket Type Seat Quantity: 1 -------------------------------------- As the main source of power in any petrol engine, a spark plug performs an essential function: It is responsible for igniting the air-fuel mixture in the combustion chamber of petrol engines. This combustion process creates power, ultimately setting the vehicle in motion. NGK Spark Plugs are high quality and have a: - Unique design to guarantee the best possible performance - Wide range of different heat ratings for high ty