Reviews Improved Combustion

Denso 5071 Spark Plug

  • Increases engine performance and throttle response.
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Denso (3253) PK20TR11 Double Platinum Spark Plug, Pack of 1

  • Increases engine performance and throttle response.
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Denso 3119 Spark Plug

  • Increases engine performance and throttle response.
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Denso (5068) PT16VR13 Double Platinum Spark Plug, Pack of 1

  • Increases engine performance and throttle response.
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Denso (3381) K20HR-U11 Traditional Spark Plug, Pack of 1

  • Increases engine performance and throttle response.
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Denso (3128) PK20R11 Double Platinum Spark Plug, Pack of 1

  • Increases engine performance and throttle response.
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Denso (6022) W20M-U Traditional Spark Plug, Pack of 1

  • Increases engine performance and throttle response.
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Denso (3021) W16EPR-U Traditional Spark Plug, Pack of 1

  • Increases engine performance and throttle response.
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Denso (3031) W16EXR-U Traditional Spark Plug, Pack of 1

  • Increases engine performance and throttle response.
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Denso (3275) PK16PR-L11 Double Platinum Spark Plug, Pack of 1

  • Increases engine performance and throttle response.
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Denso (3377) SKJ20DR-M11 Iridium Spark Plug, Pack of 1

  • Increases engine performance and throttle response.
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Denso 3130 Spark Plug

  • Increases engine performance and throttle response.
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ACDelco GM Original Equipment 41-103 Iridium Spark Plug

  • Iridium offers better engine idle stability and smoother performance.
  • Iridium allows for smaller, more efficient electrode designs for improved cold starting and quicker acceleration.
  • One piece suppressor seal blocks radio frequencies that can affect vehicle electronics.
  • Suppressor seal meters spark energy for longer electrode life and seals against combustion leakage.
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