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Best Prices: Denso (4159) W27EMRC Performance Spark Plug, Pack of 1 » Denso

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Part Name: Denso (4159) W27EMRC Performance Spark Plug, Pack of 1
Part Number: 4159, NP4159
Part Brand: Denso

Part Image / Picture

Denso (4159) W27EMRC Performance Spark Plug, Pack of 1 (4159, NP4159)

Part Description & Details

Cut back ground electrode aids in exposing more of the air/fuel mixture to the flame front improving driveability and peak horsepower. Copper core for better thermal conductivity. Machine rolled threads to reduce cross-threading and seizing . The plug insulator is constructed of purified alumina powder for extreme stress with 5 ribs to prevent flashover. Semi-surface gap for better carbon fouling protection.

Features:
  • Denso # 4159
  • Cut Back Ground Electrode

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