Top Iridium Spark Plug Reviews

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.

Check Stock

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....

Check Stock

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....

Check Stock

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....

Check Stock

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....

Check Stock

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.

Check Stock

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,....

Check Stock

ENA Set of 6 Iridium Spark Plug and 6 Ignition Coil Pack Compatible with Nissan Infiniti Maxima Murano Pathfinder Quest Altima Q50 QX60 FX35 3.5L V6 Replacement for UF550

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....

Check Stock

CENTAURUS BKR7EIX 2667 Iridium IX Spark Plugs （Pack of 4）

【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..

Check Stock

ACDelco 41-993 Professional Iridium Spark Plug (Pack of 4)

Iridium offers better engine idle stability and smoother performance.
Iridium allows for smaller, more efficient electrode designs for improved cold starting and quicker acceleration.
Iridium fine-wire electrode helps improve ignition of the fuel and burns away carbon deposits on the tip of the plug as they form, to help improve fuel economy.
One piece suppressor seal blocks radio frequencies that can affect vehicle electronics.
Suppressor seal meters spark energy for longer electrode life and seals against combustion leakage. Before installing new spark plugs, use a gap guide to make sure your new spark plugs have the correct gap.

Check Stock

NGK Iridium IX Spark Plug LFR6AIX-11 (4 Pack) Compatible With SUBARU LEGACY GT 2005-2006 2.5L/2458cc

NGK Iridium Spark Plug Box of 4 (LFR6AIX-11).
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability..

Check Stock

ACDelco GM Original Equipment 41-162 Iridium Spark Plug

Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original componentsá.
Iridium composition provides a high melting point and great strength, helps to provide excellent wear resistance and durability.
Iridium offers excellent engine idle stability, reliable cold starting, quick acceleration and smooth performance.
Three Piece Fired in Suppressor seal meters spark energy for long electrode life, helps prevent combustion leakage and helps block radio frequencies that can affect vehicle electronics.
Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.
ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle.
GM regularly updates production and service part designs to integrate new materials and technologies.

Check Stock

DENSO # 3297 Iridium LONG LIFE Spark Plugs - SK20R11-4 PCS * NEW *

Item Package Dimension:11.938 cm L X11.176 cm W X5.842 cm H.
Rust In The Iridium-Spark-Plug Pioneer To Provide Spark Plugs That Showcase Unmatched Functionality, Reliability, And Fitment..

Check Stock