Xtreme Sport Spark Plug

Spark Plug - XS3923

• More focused ignition to prevent fouling than leading standard plug
• Iridium-enhanced .6 mm finewire design with Sport V-trim ground electrode engineered to offer improved ignitability and durability over a standard plug
• Up to 26% quicker starts than leading standard plug
• More horsepower and better fuel efficiency than standard plug
• Meets or exceeds OEM design