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• DiamondFire electrode technology that creates a superior spark and resulting flame front extending further into the cylinder, producing more localized pressure
• Near elimination of performance inhibiting carbon deposits, dramatically longer plug life and a 5-year/100,000 mile limited warranty
• Drastic potential emissions reduction when used in 2 and 4-stroke engines (after 50 hours): 58% CO emissions reduction, 42% hydrocarbon reduction

• Significant potential power increase: > 6% to 12% (depending on engine class)
• See manufacturer website for application information.
• Significant potential fuel efficiency improvement: > 4% to 13% (depending on engine class)

• Significant potential power increase: > 6% to 12% (depending on engine class)
• DiamondFire electrode technology that creates a superior spark and resulting flame front extending further into the cylinder, producing more localized pressure
• Significant potential fuel efficiency improvement: > 4% to 13% (depending on engine class)

• Near elimination of performance inhibiting carbon deposits, dramatically longer plug life and a 5-year/100,000 mile limited warranty
• DiamondFire electrode technology that creates a superior spark and resulting flame front extending further into the cylinder, producing more localized pressure
• Significant potential power increase: > 6% to 12% (depending on engine class)

• Silver is highly fuel compatible and can be used easily with LPG E85 Methanol Ethanol Injection high compression and high RPM engines
• Silver Tip spark plugs utilize Silver the best electrical conductor
• Accel Silver Tip Racing Spark Plugs offer better ignitability