-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 ..
-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 ..
-E3 automotive plugs have three legs securing the DiamondFIRE electrode to the shell, it allows for excellent heat transfer and helps to create more turbulence in the cylinder-The patented DiamondFIRE side wire is proven to increase power, reduce fue..
-E3 automotive plugs have three legs securing the DiamondFIRE electrode to the shell, it allows for excellent heat transfer and helps to create more turbulence in the cylinder-The patented DiamondFIRE side wire is proven to increase power, reduce fue..
-E3 automotive plugs have three legs securing the DiamondFIRE electrode to the shell, it allows for excellent heat transfer and helps to create more turbulence in the cylinder-The patented DiamondFIRE side wire is proven to increase power, reduce fue..
-FOR OPTIMAL PERFORMANCE: Automotive spark plug that fits a variety of import applications, designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions-PATENTED TECHNOLOGY: DiamondFIRE ground electrode is secured to the she..
-FOR OPTIMAL PERFORMANCE: Automotive spark plug that fits a variety of domestic applications, designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions-PATENTED TECHNOLOGY: DiamondFIRE ground electrode is secured to the s..
-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 ..
-FOR OPTIMAL PERFORMANCE: Automotive spark plug that fits a variety of applications, designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions-PATENTED TECHNOLOGY: DiamondFIRE ground electrode is secured to the shell with..
-FOR OPTIMAL PERFORMANCE: Automotive spark plug that fits a variety of import and domestic applications, designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions-PATENTED TECHNOLOGY: DiamondFIRE ground electrode is secur..
-FOR OPTIMAL PERFORMANCE: Automotive spark plug that fits primarily Ford applications, designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions-PATENTED TECHNOLOGY: DiamondFIRE ground electrode is secured to the shell wi..
-FOR OPTIMAL PERFORMANCE: Automotive spark plug that fits a variety of import applications, designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions-PATENTED TECHNOLOGY: DiamondFIRE ground electrode is secured to the she..
-Replacement racing spark plug used by many professional car drivers-Specifically designed with colder heat ranges than the factory plug to enable performance modifications and handle intense conditions-Contains an Yttrium-enhanced alloy to enable up..
-FOR OPTIMAL PERFORMANCE: Spark plug that fits a variety of 2- and 4-cycle engines, designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions-PATENTED TECHNOLOGY: DiamondFIRE features a unique design with an edge-to-edge ..
-FOR OPTIMAL PERFORMANCE: Spark plug that fits a variety of 4-cycle engines, designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions-PATENTED TECHNOLOGY: DiamondFIRE features a unique design with an edge-to-edge spark p..
-FOR OPTIMAL PERFORMANCE: Spark plug that fits a variety of 4-cycle engines, designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions-PATENTED TECHNOLOGY: DiamondFIRE features a unique design with an edge-to-edge spark p..