If you have a high performance application, these spark plugs are ideal option for you! Accel HP Copper Spark Plugs feature one-piece design for more durability and machine rolled threads for more accurate thread engagement and torque retention. Unlike most sparks that are made of Iridium or Platinum, Accel HP spark plugs come with a copper core. In comparison with Iridium and Platinum, copper is a better conductor and dissipates much more heat. As a result, you will enjoy improved combustion and superior performance.

• HP Copper Spark Plug
• 1 Piece C-Cut Design
• 1 Range Colder Than PN[8161]
• 8 Pack

Accel is one of the most recognized names in performance ignition components. The company is known as a leader thanks to many top winning race cars equipped with Accel products. Their product line offers a wide range of performance products - digital fuel injection systems, fuel injectors, coils, distributors, caps, rotors, ignition wires and spark plugs. Accel ignition tune up kits are a perfect way to renew your ignition system.