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• Built-in capacitor element stores and delivers a much more powerful spark, providing for more complete combustion
• Up to 12% more horsepower and torque allows for higher towing capacity and overall power
• A lifetime limited warranty

• Multi-rib ceramic insulator to help prevent misfires
• V-trimmed platinum sidewire electrode technology resists wear
• Original Equipment (OE) form, fit and function five-year limited warranty

• Revolutionary surface air gap firing technology featuring four yttrium-enhanced ground electrodes delivers the longest, most powerful spark for ultimate engine performance
• Provides ease of installation - never requires adjustment
• Four yttrium-enhanced ground electrodes provide optimum access to the air/fuel mixture for the most efficient combustion, plus the yttrium alloy ground electrodes reduce gap wear and oxidation for extended performance life

• Extremely long life plug
• Iridium center electrode with platinum tipped v-trimmed ground electrode

• Exclusive Yttrium extruded copper core center electrode increases resistance to spark erosion
• Tapered, v-profile nickel chromium ground electrode for consistent performance and prolonged service life
• 50 percent longer life than traditional copper core spark plugs