Top Ground Electrode Spark Plug Reviews

E3 Spark Plugs E3.68 Automotive Spark Plug, Pack of 1

  • 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 secured to the shell with 3 legs that help facilitate excellent heat transfer and increase turbulence in the cylinder.
  • INCREASED DURABILITY: Designed with colder heat ranges to enable performance modifications, and contains Yttrium-enhanced alloy for up to 8% reduction in side wire temperature for less pre-ignition.
  • WHAT'S INCLUDED: One (1) E3.68 spark plug. Features 14mm thread diameter.
  • 1-inch thread reach plug with gasket seat.
  • WARRANTY: Often used for Hemi. Unique ground electrode and full-size center electrode provides optimal performance guaranteed for five years or 100,000 miles.
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Bosch YR7MPP33 Spark Plug

  • Bosch premium spark plug: manufactured in Europe from one of the leading global automotive suppliers.
  • First-class spark plug technology: based on original equipment and engineered to the specific requirements of the engine.
  • Plugs easy to replace: factory-pre-set electrode gap, no adjustment necessary.
  • Bosch advices not to lubricate the thread. Requested tightening torque or angle see on package.
  • Excellent wear resistance: precious metal alloy at center and ground electrode.
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CHARGER CHALLENGER GRAND CHEROKEE 300 SRT8 6.4L HEMI SPARK PLUGS PLUG MOPAR OEM

  • FOR HIGH-PERFORMANCE ENGINES: Replacement spark plug designed for turbo, nitrous, or supercharged applications in the Ford Coyote or Chrysler Hemi engines.
  • PATENTED TECHNOLOGY: DiamondFIRE ground electrode is secured to the shell with 2 legs that help facilitate excellent heat transfer and increase turbulence in the cylinder.
  • SMOOTHER ACCELERATION: Fast flame propagation initiated by the ground electrode results in a more complete burn of the fuel and air mixture.
  • WHAT'S INCLUDED: One 1 E3.112 spark plug. Features 14mm thread diameter.
  • 1-inch thread reach plug with taper seat.
  • Compatible with vehicle type: motorcycle.
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Autolite APP5224 Double Platinum Automotive Replacement Spark Plugs (4 Pack)

  • EXTENDED CHANGE INTERVAL: The Autolite Iridium XP automotive replacement spark plug is engineered to last for up to 100,000 miles depending on engine type making it one of the most durable spark plugs on the market today.
  • FUEL EFFICIENCY: These spark plugs utilize a 0.6mm finewire iridium centerwire tip design with laser welded technology for maximum fuel efficiency. Our finewire electrodes produce more focused and consistent ignitability resulting in less fuel consumption.
  • OPTIMAL PERFORMANCE: This replacement iridium spark plug provides better durability and a more focused ignition for better overall ignitabilty and optimal performance.
  • AUTOLITE ADVANTAGE: Autolite has been producing spark plugs since 1936 making it one of the most trusted and reliable brands for your OE replacement spark plug needs.
  • CONSTRUCTION: Every iridium spark plug comes with a platinum protected ground wire for maximum efficiency in all ignition types including DIS systems and a V-trimmed ground electrode for improved ignitability.
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Autolite Iridium XP Automotive Replacement Spark Plugs, XP5702 (4 Pack)

  • EXTENDED CHANGE INTERVAL: The Autolite Iridium XP automotive replacement spark plug is engineered to last for up to 100,000 miles depending on engine type making it one of the most durable spark plugs on the market today.
  • FUEL EFFICIENCY: These spark plugs utilize a 0.6mm finewire iridium centerwire tip design with laser welded technology for maximum fuel efficiency. Our finewire electrodes produce more focused and consistent ignitability resulting in less fuel consumption.
  • OPTIMAL PERFORMANCE: This replacement iridium spark plug provides better durability and a more focused ignition for better overall ignitabilty and optimal performance.
  • AUTOLITE ADVANTAGE: Autolite has been producing spark plugs since 1936 making it one of the most trusted and reliable brands for your OE replacement spark plug needs.
  • CONSTRUCTION: Every iridium spark plug comes with a platinum protected ground wire for maximum efficiency in all ignition types including DIS systems and a V-trimmed ground electrode for improved ignitability.
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Autolite Iridium XP Automotive Replacement Spark Plugs, XP3924 (4 Pack)

  • EXTENDED CHANGE INTERVAL: The Autolite Iridium XP automotive replacement spark plug is engineered to last for up to 100,000 miles depending on engine type making it one of the most durable spark plugs on the market today.
  • FUEL EFFICIENCY: These spark plugs utilize a 0.6mm finewire iridium centerwire tip design with laser welded technology for maximum fuel efficiency. Our finewire electrodes produce more focused and consistent ignitability resulting in less fuel consumption.
  • OPTIMAL PERFORMANCE: This replacement iridium spark plug provides better durability and a more focused ignition for better overall ignitabilty and optimal performance.
  • AUTOLITE ADVANTAGE: Autolite has been producing spark plugs since 1936 making it one of the most trusted and reliable brands for your OE replacement spark plug needs.
  • CONSTRUCTION: Every iridium spark plug comes with a platinum protected ground wire for maximum efficiency in all ignition types including DIS systems and a V-trimmed ground electrode for improved ignitability.
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Autolite Iridium XP Automotive Replacement Spark Plug, XP3924 (1 Pack)

  • EXTENDED CHANGE INTERVAL: The Autolite Iridium XP automotive replacement spark plug is engineered to last for up to 100,000 miles depending on engine type making it one of the most durable spark plugs on the market today.
  • FUEL EFFICIENCY: These spark plugs utilize a 0.6mm finewire iridium centerwire tip design with laser welded technology for maximum fuel efficiency. Our finewire electrodes produce more focused and consistent ignitability resulting in less fuel consumption.
  • OPTIMAL PERFORMANCE: This replacement iridium spark plug provides better durability and a more focused ignition for better overall ignitabilty and optimal performance.
  • AUTOLITE ADVANTAGE: Autolite has been producing spark plugs since 1936 making it one of the most trusted and reliable brands for your OE replacement spark plug needs.
  • CONSTRUCTION: Every iridium spark plug comes with a platinum protected ground wire for maximum efficiency in all ignition types including DIS systems and a V-trimmed ground electrode for improved ignitability.
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Autolite Iridium XP Automotive Replacement Spark Plugs, XP104 (4 Pack)

  • EXTENDED CHANGE INTERVAL: The Autolite Iridium XP automotive replacement spark plug is engineered to last for up to 100,000 miles depending on engine type making it one of the most durable spark plugs on the market today.
  • FUEL EFFICIENCY: These spark plugs utilize a 0.6mm finewire iridium centerwire tip design with laser welded technology for maximum fuel efficiency. Our finewire electrodes produce more focused and consistent ignitability resulting in less fuel consumption.
  • OPTIMAL PERFORMANCE: This replacement iridium spark plug provides better durability and a more focused ignition for better overall ignitabilty and optimal performance.
  • AUTOLITE ADVANTAGE: Autolite has been producing spark plugs since 1936 making it one of the most trusted and reliable brands for your OE replacement spark plug needs.
  • CONSTRUCTION: Every iridium spark plug comes with a platinum protected ground wire for maximum efficiency in all ignition types including DIS systems and a V-trimmed ground electrode for improved ignitability.
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Bosch Automotive (7424) OE Fine Wire Double Platinum Spark Plug - Single

  • Bosch premium spark plug: manufactured in Europe from one of the leading global automotive suppliers.
  • First-class spark plug technology: based on original equipment and engineered to the specific requirements of the engine.
  • Plugs easy to replace: factory-pre-set electrode gap, no adjustment necessary.
  • Bosch advices not to lubricate the thread. Requested tightening torque or angle see on package.
  • Excellent wear resistance: precious metal alloy at center and ground electrode.
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NGK Iridium IX DCPR7EIX Spark Plugs for 1999-2016 Harley Davidson Twin Cam (Pair)

  • EXTENDED CHANGE INTERVAL: The Autolite Iridium XP automotive replacement spark plug is engineered to last for up to 100,000 miles depending on engine type making it one of the most durable spark plugs on the market today.
  • FUEL EFFICIENCY: These spark plugs utilize a 0.6mm finewire iridium centerwire tip design with laser welded technology for maximum fuel efficiency. Our finewire electrodes produce more focused and consistent ignitability resulting in less fuel consumption.
  • OPTIMAL PERFORMANCE: This replacement iridium spark plug provides better durability and a more focused ignition for better overall ignitabilty and optimal performance.
  • AUTOLITE ADVANTAGE: Autolite has been producing spark plugs since 1936 making it one of the most trusted and reliable brands for your OE replacement spark plug needs.
  • CONSTRUCTION: Every iridium spark plug comes with a platinum protected ground wire for maximum efficiency in all ignition types including DIS systems and a V-trimmed ground electrode for improved ignitability.
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E3 Spark Plugs E3.107 Premium Racing Spark Plug w/ DiamondFIRE Technology (Pack of 1)

  • High performance racing spark plug for a variety of applications, specifically designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions.
  • E3's patented DiamondFIRE edge-to-edge electrode provides maximum performance with increased efficiency, and a faster more complete burn.
  • Faster flame propagation initiated by ground electrode results in a more complete burn of the fuel and air mixture for smoother acceleration and idle.
  • Includes one (1) E3.107 spark plug with a limited lifetime warranty.
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Denso (4702) IK20TT Iridium TT Spark Plug, (Pack of 1)

  • Larger spark translates to more power and superior fuel economy.
  • 0.4 mm iridium center electrode, world’s smallest diameter that maximizes firing potential.
  • 0.7 mm needle tip ground electrode, promotes higher spark energy and less heat quenching.
  • DENSO patented 360 degree laser welding process, ensuring exceptional quality bond and structural strength with the iridium center electrode..
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E3 Spark Plugs E3.53 Automotive Spark Plug 1 14mm .708”

  • FOR OPTIMAL PERFORMANCE: Automotive spark plug that fits a variety of domestic applications, designed to increase power, reduce fuel consumption, and....
  • PATENTED TECHNOLOGY: DiamondFIRE ground electrode is secured to the shell with 3 legs that help facilitate excellent heat transfer and increase....
  • INCREASED DURABILITY: Designed with colder heat ranges to enable performance modifications, and contains Yttrium-enhanced alloy for up to 8% reduction....
  • WHAT'S INCLUDED: One (1) E3.53 spark plug. Features 14mm thread diameter.
  • 0.708-inch thread reach plug with taper seat.
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