ACCEL 578C1-6 ACCEL HP Copper Spark Plug

3.5L V6 engines -One heat range colder - 6-pack

ACCEL HP Spark Plugs are made with a Copper core which is a better conductor than Platinum and Iridium. They deliver a stronger spark especially in high performance applications where high combustion pressures are present. Copper is much better at dissipating heat than other materials which lessens the chance of a misfire. ACCEL HP Spark Plugs are gapable allowing you to open the gap exposing a larger flame kernel or close it if needed for high boost applications. All ACCEL HP Spark Plugs have machine rolled threads allowing for a more precise thread engagement and torque retention.

Features and Benefits: "C" - Cut Design un-shrouds the spark kernel for a better burn; Copper dissipates heat much better than other materials; Machine rolled threads for precise thread engagement; One step colder than stock; The Copper core is a better conductor than Iridium or Platinum plugs; Unlike Iridium or Platinum plugs, the ACCEL HP plugs are gapable; Whether using on the street or on the strip, ACCEL HP Copper Core spark plugs deliver!

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