M12 Long Reach Sparkplug with Proturding Electrode for Honda Civic Type R and Suzuki Swift Sports cars. The new line of plugs incorporates the best aspects of the existing M series and includes a Ruthenium Alloy Electrode to offer a dependable spark for all vehicles, particularly those with enhanced boost or those that have been gently adjusted. Aside from the increased longevity, the usage of Ruthenium alloy provides for a better fuel burn, resulting in faster throttle response, smoother idle, and better cold starts.

NOTE

• The use of these spark plugs in a vehicle that is not compatible with these spark plugs may result in serious engine damage. When replacing sparkplugs, compare the shape of the new plug to the one that was previously installed. Please choose the correct spark plug for your car.

• Ruthenium Alloy Center Electrode reduces voltage requirements as well as ignition performance improvement and durability.
• Brass Terminal offers film fitting to plug wire or coil-pack.
• Plating coating for better insulation and excellent corrosion resistance.
• Outer electrode with platinum square chip improves ignition, maximum durability, combustion speed, and quality.
• The outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration.