NGK Spark plugs ZFR4F-11

NGK reference : ZFR4F-11
Standard NGK spark plugs are specially designed to replace OE spark plugs. Their design can change from a reference to another in order to suit the manufacturer performances and requirements. That's why some can have Iridium, Platinum or a variable number of ground electrode. Choosing NGK spark plugs is choosing the reliability and high performances for optimal combustion.