Top Double Ground Spark Plugs

Autolite Platinum AP3924 Automotive Replacement Spark Plugs (4 Pack)

  • MAXIMUM PERFORMANCE: Every Platinum spark plug is necked-down center electrode fires quicker and cleaner, with less voltage for easier starts and quicker acceleration..
  • IMPROVED DURABILITY: Our spark plugs are platinum-to-platinum firing for superior durability and super conductive Yttrium enhanced ground electrode provides superior heat transfer.
  • CONSTRUCTION: These spark plugs are platinum enhanced high nickel alloy side electrode maintains precision gap and assures virtually no gap erosion for longer plug life.
  • FUEL EFFICIENCY: The Autolite Platinum automotive replacement spark plug works to optimize engine performance for a longer life and improved fuel economy..
  • 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 plugs needs.
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E3.56 E3 Premium Automotive Spark Plugs 6-PACK

  • MAXIMUM PERFORMANCE: Every Platinum spark plug is necked-down center electrode fires quicker and cleaner, with less voltage for easier starts and....
  • IMPROVED DURABILITY: Our spark plugs are platinum-to-platinum firing for superior durability and super conductive Yttrium enhanced ground electrode....
  • CONSTRUCTION: These spark plugs are platinum enhanced high nickel alloy side electrode maintains precision gap and assures virtually no gap erosion....
  • FUEL EFFICIENCY: The Autolite Platinum automotive replacement spark plug works to optimize engine performance for a longer life and improved fuel....
  • AUTOLITE ADVANTAGE: Autolite has been producing spark plugs since 1936 making it one of the most trusted and reliable brands for your OE replacement....
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2Pcs CNPAPC Upgrade Double Iridium IX Spark Plugs DCPR7EIX #3144#6046#97637 for 1999-2016 Harley Davidson Twin Cam…

  • 【SUPER POWER】Double Iridium IX Spark Plugs are designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle response. Double iridium is the best spark plug material.
  • 【MORE FUEL EFFICIENT】The flameout phenomenon rarely occurs when using double iridium spark plugs,The engine can also be kept in good running condition, resulting in lower fuel consumption. So it is really necessary to replace the good double iridium spark plugs..
  • 【LONGER LIFE】The fine Double Iridium tip ensures high durability and a consistently stable spark. Double Iridium alloy has extremely high melting point, perfect for today's high-tech, high-performance engines. Trivalent Metal Plating - Outstanding acceleration, long life ,high fuel efficiency and durability. Ultimate design, technology and performance..
  • 【COMPATIBLE MODELS】DCPR7EIX #3144 Replacement racing spark plug used by many professional car drivers and fit for 2000 Dyna Super Glide；1999-2016 Harley Davidson Twin Cam；XL Sportster 883/1200 1986-present.
  • If it has the same parameters as this product,....
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Champion 7963 Double Platinum Power Replacement Spark Plug, (Pack of 1)

  • Longer Lifespan: Double platinum center and ground electrode for greater wear resistance.
  • Sharper Spark Focus: Thanks to fine wire and v-trimmed electrodes.
  • Powerful: Stronger and quicker acceleration than conventional plugs.
  • Heat-Active Alloy: Allows electrodes to reach optimal temperature quickly and remain stable.
  • Compatible with the Following Applications: Automotive, Commercial.
  • Exclusive Heat-Active alloy maintains stable operating temperature under all load conditions.
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Champion Iridium 9407 Spark Plug (Carton of 1) - RER8ZWYCB4

  • Champion Iridium - Maximum Performance. Premium Spark Plug.
  • Iridium center electrode delivers maximum life.
  • Fine-wire center electrode and V-trimmed for greater ignitability.
  • V-trimmed ground electrode promotes sharper spark focus.
  • Maintains stable operating temperature under all engine loads.
  • Heat-Active alloy allows electrodes to reach optimal temperature quickly.
  • Champion iridium spark plugs feature a fine wire iridium center electrode that is laser-locked to the center electrode.
  • Every Champion iridium spark plug features a platinum ground electrode to ensure high performance and long life.
  • The fine-wire center electrode and platinum V-trimmed ground electrode produce the sharpest spark focus.
  • This provides the greatest engine performance regardless of the engine type or ignition system.
  • Exclusive heat-active alloy allows the electrodes to reach optimal temperature quickly and maintain stable operating temperature under all engine loads.
  • The Champion iridium spark plug fine-wire center and platinum ground electrode provides the sharpest spark focus for maximum plug performance.
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Autolite Iridium XP Automotive Replacement Spark Plugs XP3923 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....
  • FUEL EFFICIENCY: These spark plugs utilize a 0.6mm finewire iridium centerwire tip design with laser welded technology for maximum fuel efficiency.....
  • OPTIMAL PERFORMANCE: This replacement iridium spark plug provides better durability and a more focused ignition for better overall ignitabilty and....
  • AUTOLITE ADVANTAGE: Autolite has been producing spark plugs since 1936 making it one of the most trusted and reliable brands for your OE replacement....
  • CONSTRUCTION: Every iridium spark plug comes with a platinum protected ground wire for maximum efficiency in all ignition types including DIS systems....
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Autolite Iridium XP Automotive Replacement Spark Plugs XP6203 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....
  • FUEL EFFICIENCY: These spark plugs utilize a 0.6mm finewire iridium centerwire tip design with laser welded technology for maximum fuel efficiency.....
  • OPTIMAL PERFORMANCE: This replacement iridium spark plug provides better durability and a more focused ignition for better overall ignitabilty and....
  • AUTOLITE ADVANTAGE: Autolite has been producing spark plugs since 1936 making it one of the most trusted and reliable brands for your OE replacement....
  • CONSTRUCTION: Every iridium spark plug comes with a platinum protected ground wire for maximum efficiency in all ignition types including DIS systems....
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Autolite Iridium XP Automotive Replacement Spark Plugs XP5263 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....
  • FUEL EFFICIENCY: These spark plugs utilize a 0.6mm finewire iridium centerwire tip design with laser welded technology for maximum fuel efficiency.....
  • OPTIMAL PERFORMANCE: This replacement iridium spark plug provides better durability and a more focused ignition for better overall ignitabilty and....
  • AUTOLITE ADVANTAGE: Autolite has been producing spark plugs since 1936 making it one of the most trusted and reliable brands for your OE replacement....
  • CONSTRUCTION: Every iridium spark plug comes with a platinum protected ground wire for maximum efficiency in all ignition types including DIS systems....
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Autolite Iridium XP Automotive Replacement Spark Plugs XP5325 Pack of 4

  • EXTENDED CHANGE INTERVAL: The Autolite Iridium XP automotive replacement spark plug is engineered to last for up to 100,000 miles depending on engine....
  • FUEL EFFICIENCY: These spark plugs utilize a 0.6mm finewire iridium centerwire tip design with laser welded technology for maximum fuel efficiency.....
  • OPTIMAL PERFORMANCE: This replacement iridium spark plug provides better durability and a more focused ignition for better overall ignitabilty and....
  • AUTOLITE ADVANTAGE: Autolite has been producing spark plugs since 1936 making it one of the most trusted and reliable brands for your OE replacement....
  • CONSTRUCTION: Every iridium spark plug comes with a platinum protected ground wire for maximum efficiency in all ignition types including DIS systems....
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Bosch Automotive (8165) OE Fine Wire Double Platinum Spark Plug - Single

  • Laser welded Platinum inlay ground electrode provides 3X longer service life compared to standard copper plugs.
  • Fine wire Platinum firing pin for better ignitability and performance.
  • Unique 360 continuous laser weld fuses corrosion resistant Platinum firing pin to base.
  • Nickel-plated rolled threads provide superior resistance to corrosion and do not require anti-seize for installation.
  • Bosch Double Platinum spark plugs are pre-gapped at the factory and do not require a gap adjustment prior to installation.
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Bosch Automotive (FR6DPP332) OE Fine Wire Double Platinum Spark Plug - Single

  • Laser welded Platinum inlay ground electrode provides 3X longer service life compared to standard copper plugs.
  • Fine wire Platinum firing pin for better ignitability and performance.
  • Unique 360 continuous laser weld fuses corrosion resistant Platinum firing pin to base.
  • Nickel-plated rolled threads provide superior resistance to corrosion and do not require anti-seize for installation.
  • Bosch Double Platinum spark plugs are pre-gapped at the factory and do not require a gap adjustment prior to installation.
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Bosch Automotive (ZR5TPP33) OE Fine Wire Double Platinum Spark Plug - Single

  • Laser welded Platinum inlay ground electrode provides 3X longer service life compared to standard copper plugs.
  • Fine wire Platinum firing pin for better ignitability and performance.
  • Unique 360 continuous laser weld fuses corrosion resistant Platinum firing pin to base.
  • Nickel-plated rolled threads provide superior resistance to corrosion and do not require anti-seize for installation.
  • Bosch Double Platinum spark plugs are pre-gapped at the factory and do not require a gap adjustment prior to installation.
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