4 pcs of NGK Sprak plug number 4291, ZFR6F-11 V-Power®Lowers ignition system voltage requirements
Greater ignitability and performance over conventional spark plugs
Trivalent Metal Plating has superior anti-corrosion and anti-seizing properties
Increased fuel economy and lower emissions
Highly durable against electrical and chemical wear
Economical performance and improved ignitability over standard NGK Spark Plugs original equipment manufacturer and racer approved.
Fits many Chrsyler, Dodge & Ford applications.