NGK ZFR4F-11 Spark Plug

Economical performance and improved ignitability over standard NGK spark plugs original equipment manufacturer and racer approved.

• Lowers ignition system voltage requirements
• Features a 45º V Power center electrode
• Increases anti-fouling characteristics and performance
• 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
• Good performance spark plug