Accel U-Groove Copper Spark Plug 0576

Made with a Copper Core Which is a Better Conductor than Platinum and Iridium. Delivers a Stronger Spark Especially in High Performance Application Where High Combustion Pressures Are Present. Copper is Much Better at Dissipating Heat Than Other Materials Which Lessons the Chance of a Misfire. 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.

• Copper Core Is A Better Conductor Than Iridium Or Platinum Plugs
• Copper Dissipates Heat Much Better Than Other Materials
• C - Cut Design Un-shrouds The Spark Kernel For Better Burn
• Unlike Iridium Or Platinum Plugs; The Accel Hp Plugs Are Gapable
• Machined Rolled Threads For Precise Thread Engagement
• Stock Heat Range
• Whether Using On Street/Strip The HP Copper Core Plugs Deliver!

Holley Performance Emission Code 2: This part is legal for sale and use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it is a direct or consolidated replacement part. The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles/1968 and newer U.S. manufactured Federally Certified vehicles/1968 and newer Foreign manufactured vehicle