Spark Plug Part No. IZFR6K-13 is suitable for Honda City and Honda Jazz. It is marketed in India by NGK Spark Plugs (India) Pvt. Ltd. NGK is the World’s No. 1 Japanese spark plug manufacturer and has been positioned as The Spark Plug Expert. It supplies to all major OEM’s in India and is well known for its high technology and excellent quality. Spark Plugs are meant only for Petrol cars and this item is a superior quality. A four-cylinder car will have four spark plugs whereas a six-cylinder car will have six and so on.