Superior construction, longer life, and optimum performance - all are standard with NGK, the brand specified as the #1 spark plug for performance Corrugated ribs help prevent "flashover"...

Superior construction, longer life, and optimum performance - all are standard with NGK, the brand specified as the #1 spark plug for performance Corrugated ribs help prevent "flashover"...

Economical performance and improved ignitability over standard NGK Spark Plugs Lowers ignition system voltage requirements Greater ignitability and performance over conventional spark...

Laser Iridium spark plugs provide superior ignitability and long service life. Smallest tip diameter available Iridium/Platinum surfaces ensure slow wear rate providing stable idle, superior anti...

Laser Iridium spark plugs provide superior ignitability and long service life. Smallest tip diameter available Iridium/Platinum surfaces ensure slow wear rate providing stable idle, superior anti...

Laser Iridium spark plugs provide superior ignitability and long service life. Smallest tip diameter available Iridium/Platinum surfaces ensure slow wear rate providing stable idle, superior anti...

Laser Iridium spark plugs provide superior ignitability and long service life. Smallest tip diameter available Iridium/Platinum surfaces ensure slow wear rate providing stable idle, superior anti...

Intended for racing use only. The center electrode of the NGK Racing spark plugs has special configurations and designs to ensure durability and ignitability NGK Racing spark plugs are designed with...

Intended for racing use only. The center electrode of the NGK Racing spark plugs has special configurations and designs to ensure durability and ignitability NGK Racing spark plugs are designed with...

Intended for racing use only. The center electrode of the NGK Racing spark plugs has special configurations and designs to ensure durability and ignitability NGK Racing spark plugs are designed with...

Designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling The ultimate in the evolution of spark plug...

Designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling The ultimate in the evolution of spark plug...