You'll have confidence knowing you have the World Leader in spark plug technology firing your way to victory! To withstand the severe conditions that occur in racing engines, NGK Racing Spark Plugs feature:
Electrode materials Many use precious metals such as platinum or gold/palladium for greater durability and lower voltage requirements.
Electrode configurations Fine-wire center electrodes provide better sparking and enhanced ignitability. Fine-wire ground electrodes further improve the ignitability of the plug.
Insulator configurations Special configurations are used for the insulator noses to improve throttle response.
NGK Spark Plugs can be found in every racing venue throughout the world. Whether you're a weekend warrior or an accomplished racer NGK Spark Plugs is sparking winners.
This spark plug is pre-gapped, but may require minor adjustments with a Spark Plug Gap Tool / Feeler Gauge to match your engine's specifications. For proper engine performance, gaps should be within ±0.004" of OE-Recommended value.
Which NGK Spark Plug Is Right For You?
Material / Series
Lifespan / Durability
Performance / Ignitability
Efficiency / Fuel Economy
Copper / Nickel V-Power
★
★
★
Platinum G-Power
★★
★★★★
★
Double Platinum Laser
★★★★★
★★
★★
Iridium IX
★★★
★★★★★
★★
Iridium Laser
★★★★★★
★★★★
★★★
Ruthenium HX
★★★★★★★
★★★★★
★★★★
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Check, Set & Adjust Spark Plug Gaps
OEM / Interchange Numbers: AR13
Closeout Inventory Warranty Information:Wholesaler Closeout items have a 30 day warranty (but still are covered by our Return Policy).Regular Inventory Warranty Information:60 Days
Which NGK Spark Plug Is Right For You?
Videos