TT Series


Platinum TT

Twin-Tip Design Proves Two Tips are Better Than One!

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Iridium TT

Get more power, economy, and endurance with two tips.

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High Performance

Iridium Power

0.4mm Iridium Center Electrode Delivers Maximum Spark Energy

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Iridium Racing

Reliable Ignition Under the Highest Speeds

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The U-Groove is Engineered for Greater Fuel Efficiency

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Double Platinum

Platinum is Optimal to Maximize the Longevity and Enhance the Durability

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Iridium Long Life

First Automotive Plug to Use Iridium!

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