Accel High Performance Copper Core Spark Plug - Plugs EVO High Performance

Accel high-performance copper core spark plug engineered for V-twin motorcycles including Harley-Davidson and Indian models. The C-Cut copper design creates a hotter, faster-expanding spark that burns fuel more completely for improved throttle response and efficiency.

Features

• C-Cut copper core creates hotter spark with faster flame expansion
• Electrode design prevents spark from being shrouded by ground strap
• Larger flame front results in more complete air-fuel mixture burn
• Reduces quenching effect that causes misfiring and rough idle
• Improved throttle response and fuel efficiency
• Reduced emissions

Specifications

• Brand: Accel
• Manufacturer Part #: 2410A
• UPC: 743047924105
• Length: 2.15 in
• Weight: 0.29 lbs
• Country of Origin: Japan

Fitment

Fits V-twin motorcycles including Harley-Davidson and Indian Motorcycle models.

Frequently Asked Questions

Will this spark plug fit my Harley or Indian?

Yes — this plug is engineered for V-twin engines found in Harley-Davidson and Indian Motorcycles. Verify the correct heat range for your specific year and displacement before ordering.

What's the difference between copper core and standard plugs?

The C-Cut copper design expands spark faster and more completely, reducing misfires and rough idle while improving fuel economy and throttle response compared to conventional plugs.

Do I need to gap these plugs before installation?

Check your owner's manual for the correct gap specification. Some riders prefer to verify gap before install, though Accel ships these pre-gapped for most applications.

Will these improve my bike's performance?

You should notice sharper throttle response, smoother idle, and potential fuel economy gains. Results depend on your engine condition and tune.