Best Platinum Iridium Spark Plug

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.

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.

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....

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..

【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,....

Tapered-cut ground electrode improves ignitability and reduces quenching.
98% pure copper core increases heat dissipation for more reliable starts and prevents spark plug from overheating.
High-grade alumina silicate ceramic insulator for superior strength and heat transfer.
Iridium is six times more durable than platinum.

【HIGH QUALITY】CENTAURUS Iridium Spark Plug is made of durable materials, which ensures it can be used for a long time..
【FIT VEHICLE PART 】Fits for Vehicle Specific.Please check the part number before purchasing to ensure fitment..
【EASY INSTALLATION】CENTAURUS 2667 Iridium Spark Plug specifically designed with colder heat ranges than the factory plug to enable performance modifications and handle intense conditions.easy to install, plug and play..
【OPTIMAL PERFORMANCE】CENTAURUS BKR7EIX IX Spark Plugs will work effectively for faster starts, better acceleration..
【PACKAGE & WARRANTY】Package Include 4 Packs BKR7EIX IX 2667 Spark Plugs. We offer a 12 month warranty, If you have any question, we will reply you within 24H..

Tapered-cut ground electrode improves ignitability and reduces quenching.
98% pure copper core increases heat dissipation for more reliable starts and prevents spark plug from overheating.
High-grade alumina silicate ceramic insulator for superior strength and heat transfer.
Iridium is six times more durable than platinum.
Quantity: 1 per package. Triple seals prevent leakage.

See fitment guide image for additional Machines this item fits. Sold individually..
Laser Iridium spark plugs provide superior ignitability and long service life. Smallest tip diameter available Iridium surfaces ensure slow wear rate providing stable idle, superior anti-fouling, improved fuel efficiency and lower emissions..
Laser welded Iridium center electrode tip..
Platinum disc welded to backside of ground electrode provides long life..
Trivalent Metal Plating for superior anti-corrosion and anti-seizing..