Typically we have found you can expect 50-80k miles on a traditional iridium plug. Therefore, NGK gives them a life expectancy of 40-50k miles and Denso assigns a recommended replacement interval of 30k miles. They represent the ultimate evolution of spark plug technology and performance. The Denso spark plug (Iridium) can minimize heat loss, and the smaller electrode diameter can improve ignitability. Under normal operating conditions, expect a good 100k miles out of these plugs. In terms of lifespan, the use life you enjoy will depend in the type of plug used in the engine. Normal copper plugs only last about 20,000 miles. Only 4 left in stock - order soon. But, these usually come in heat ranges too cold for an unaltered motor and are usually used in racing applications where all bets are off. 4pc NGK Laser Iridium Spark Plug Set for Subaru Turbo 2.5L EJ255 EJ257 2005-2013. The NGK Iridium IX is a spark plug designed to offer lasting ignitability, superior anti-fouling characteristics, and sharper throttle response. $44.65. $40.17 $ 40. Iridium IX ®. Free shipping . How Long Do NGK Iridium Plugs Last? Whenever you have less debris, you have a smooth running ignition system. NGK BPMR8Y "V-POWER" Spark Plugs 2218 (Set of 8) $21.95. $13.39. NGK G-Power Platinum alloy spark plugs uniquely shaped ground electrode & platinum alloy center electrode reduces the wear rate of the electrode than conventional plug and hence gives longer life. Because iridium is costly, iridium spark plug manufacturers reduce the diameter of the center electrode to as little as .4mm. Contact the seller It offers better performance than platinum, but with the downside of a higher cost. FREE Shipping. 4-Pcs NGK Iridium Spark Plugs BKR7EIX 2667 For BMW Honda Civic Porsche. Find out more. If you want a good quality spark plug at a decent price, the platinum spark plug is priced more affordable than the iridium spark plug. OE Iridium Long Life Plugs NGK Laser Iridium and Denso Long-Life Iridium plugs feature an iridium tipped fine wire center electrode, and platinum tipped ground electrode. Modern engines rely on more than one spark to ensure an optimum combustion and require smaller spark plugs so there is enough room for all the valves in a cylinder, etc. Usually, your vehicle’s manual will mention the desired gap according to your car make. This led to the use of a smaller diameter spark plug. Iridium spark plugs feature a fine wire center electrode that is designed to conduct electrical energy better and increase firing efficiency. This is actually a benefit to a platinum spark plug because it means any contaminants that get on the plug will get burnt up. To contact them, click here. Add to Cart Add to Cart ... or broken plugs. Therefore, the ground electrode will wear out first. DENSO # 3461 IRIDIUM LONG LIFE Spark Plugs -- SXU22HCR11S ----- 4 PCSNEW. Nickel. OE Iridium Long Life Plugs   NGK Laser Iridium and Denso Long-Life Iridium plugs feature an iridium tipped fine wire center electrode, and platinum tipped ground electrode. NGK Iridium IX has an iridium center electrode, however the ground electrode is a traditional nickel construction. FREE Shipping by Amazon. Laser Iridium ® Spark Plugs. NGK always works very closely with the engine manufacturer to ensure a perfect match between spark plug and machine. Additionally, because gradual wear will "round-off" firing points over time, the concentrated firing power and voltage requirement benefits will be reduced. NGK gives them a life expectancy of 40-50k miles. Not all NGK racing plugs incorporate an Iridium centre electrode. Laser Iridium ® Spark Plugs provide superior ignitability and long service life. Users can get a longer life from the Denso spark plug, too, up to 63,000 miles. But they have to temper their projections as driving conditions and motor modifications differ. In fact NGK produces and stocks well in excess of 1,000 different types of spark plugs. The perfect match for petrol engines. 4 New NGK IRIDIUM IX Spark Plug LTR6IX-11 # 6509. Of course, it can be very difficult to tell if your spark plugs are beginning to wear out. This can all be attributed to the iridium alloy tip that ensures consistent performance even in extreme hot or cold weather. The ground electrode will wear out first. Aftermarket Long Life Iridium Plugs    Autolite Iridium XP, Champion Iridium, Bosch Iridium and Denso Iridium TT bring the features of OEM iridium long life plugs to the market, with an iridium or iridium enhanced fine wire center electrode and platinum or iridium/platinum tipped ground electrode. If you’re not a fan of the idea of replacing spark plugs every 60,000 miles or so, iridium can reach up to a 120,000-mile life cycle. Glow Plugs. If you want everything to run smoothly, you need to adjust it as accurately as you can. For the OE Iridium series, dual precious metal means iridium on the center tip and platinum on the ground electrode. On some applications, a double-platinum or double-iridium spark plug may be recommended. Be the first to know about sales and promotions. Every spark plug has its gap – the distance between its two electrodes, center and ground. But plug manufacturers have to temper their projections as driving conditions and motor modifications differ. NGK is designed in a manner that it will give … Thanks to its strength, iridium spark plugs can last up to 25% longer than comparable platinum spark plugs. Only 2 left in stock - order soon. The NGK 6619 Iridium IX Spark Plugs snags the top pick in our spark plug comparison because they offer the best mix of high-performance, fuel efficiency, durability, and dependability. NGK (3787) ILTR6A-8G Laser Iridium Spark Plug - Set of 4. Standard style Spark Plug *NGK Spark Plugs are designed to OEM requirements and as such, a variant of each of the above styles may not be available as it may not be an OEM requirement. Details Centre Electrode. Advantages/ Functionality/ The main differences. You can also see improved fuel economy (up to five percent in most cases). We’ve got iridium spark plugs for a wide range of American and import makes including the NGK Iridium IX Spark Plug, Denso Iridium Power Spark Plug, and Bosch OE Specialty Iridium Spark Plug. Glow Plugs. 3) Good Price. Smallest tip diameter available Iridium / Platinum surfaces ensure slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions. 6 New NGK Iridium IX Spark Plugs LFR5AIX-11 # 4469. Those that do will have either a standard ground electrode design, usually in nickel alloy, or a solid platinum bar ground (similar to the Denso racing design) and a 0.4mm Iridium alloy centre electrode. DO expect: long life, smooth idling, and an overall good replacement Read more. If installed in a regular engine, they would likely last longer than most people keep their car (barring any motor problems that can cause premature plug death). An IATF 16949:2016 & ISO 9001:2015 Certified, An ISO 14001:2015 & ISO 45001:2018 certified Co. 4PCS NGK 5787 ILZKR7B-11S IRIDIUM SPARK PLUGS for HONDA 12290-R48-H01. Free shipping . NGK (4548) CR9EK Standard Spark Plug, Pack of 1. NGK 7090 BKR5EGP G-Power Spark Plug, Pack of 4 G-Power Platinum Alloy Spark Plugs offer superior performance with improved fuel efficiency, lower emissions, and quicker starts 0.6mm laser welded fine Platinum tip reduces required voltage ensuring high durability and a consistently stable spark NGK Iridium IX spark plugs feature an ultra-fine center electrode that's designed just thick enough to ensure the maximum durability and life of the spark plugs—and just thin enough to create an accurate and consistent spark. 17. $65.00. 4.7 out of 5 stars 175. 13 people found this helpful. Therefore, NGK gives them a life expectancy of 40-50k miles and Denso assigns a recommended replacement interval of 30k miles. Whether you’re a weekend warrior or an accomplished racer NGK Spark Plugs is sparking winners. NGK.com specializes in hard to find NGK products. Specially designed to meet the needs of serious enthusiasts, Iridium IX Spark Plugs offer outstanding acceleration, high fuel efficiency, and long life. Don't just ask for a spark plug, insist on NGK. $14.99. Nickel. Benefits. Iridium is harder than platinum, and in most cases, iridium spark plugs last about 25 percent longer than comparable platinum spark plugs. Free shipping . Every plug in the Laser Series was designed for an OEM application. Service Life ** 20,000 – 40,000km. The NGK spark plug finder helps find the right spark plug via the NGK spark plug codes. The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX ® ideal for the performance enthusiast. Engineered to perform under the most extreme conditions, NGK glow plugs help your diesel engine get off to a fast and reliable start. Iridium spark plug. NGK Laser Iridium Spark Plugs feature a 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; Original Equipment Manufacturer (OEM) approved design; Includes 1 … Find NGK Iridium IX Spark Plugs and get Free Shipping on Orders Over $99 at Summit Racing! Free shipping . NGK Spark Plugs can be found in every racing venue throughout the world. NGK (4589) IFR6T11 Laser Iridium Spark Plug - Set of 4. OE Iridium Long Life Plugs NGK Laser Iridium and Denso Long-Life Iridium plugs feature an iridium tipped fine wire center electrode, and platinum tipped ground electrode. 4.7 out of 5 stars 150. Especially on most new cars (last 10+ year) as they have an ignition coil per plug. NGK Spark Plugs has been developing spark plug technology since the 1930s and manufacture plugs for every type of automotive engine, as well as for motorcycles, marine, horticultural, plant and many other applications. G-Power Platinum Alloy Spark Plugs offer superior performance with improved fuel efficiency, lower emissions, and quicker starts, 0.6mm laser welded fine Platinum tip reduces required voltage ensuring high durability and a consistently stable spark, Special configurations are used for the insulator noses to improve throttle response and prevent fouling with corrugated ribs on insulator to prevent flashover, Platinum alloy ground and center electrode for greater spark while ensuring precise gap during the life of the plug, Trivalent Metal Plating offers superior anti corrosion and anti seizing properties while the triple gasket seal eliminates combustion gas leakage, Designed to operate over a much wider heat range than ordinary plugs. $26.59 $ 26. NGK Iridium IX spark plugs. 59. Laser Iridium® spark plugs provide superior ignitability and long service life. Traditional Single Iridium Plugs   Denso's Iridium Power and NGK's Iridium IX series have iridium fine-wire center electrodes with tranditional nickel ground electrodes. Standard spark plugs are only good for about 40,000 miles. The world leader in spark plug technology for over 80 years. Laser welded Iridium center electrode tip These OEM style plugs typically have special features designed for a specific engine and last 80-120k miles. What makes the NGK Iridium IX stand out is the longer insulator nose. However, using platinum plugs can give you 60,000 miles of use. Heat Range: 7, High alumina ceramics for better heat transfer and electrical insulation, Solid copper core and nickel tipped electrode provide a longer plus life, These Products On Exceptionally High Order Fulfillment Rates, Breadth Of Available Products, 6 Mm Iridium Center Electrode And Taper Cut Ground Electrode For Faster Starts, Better Acceleration And Improved Anti-Fouling, Through Creativity, Productivity And Innovation – This Brand Continues To Develop The Finest Automotive Accessories, FREE SHIPPING to anywhere IN USA and territories For This Item, You can depend on NGK for quality and reliability, Features superior anti-corrosion and anti-seizing properties, Iridium alloy has extremely high melting point, perfect for today’s high-tech, high-performance engines, Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling, The 0.6 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect, Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage, Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today’s high performance engines. This type of spark plug uses platinum or iridium on the center and ground electrodes, not just the center electrode to improve wear resistance and extend the service life of the spark plug. Iridium’s extremely high melting point is perfectly suited to today’s high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability. When you demand the most from your engine, rely on the proven performance of NGK Iridium IX Spark Plugs. Iridium spark plugs have extremely fine electrodes while retaining excellent wear characteristics. Therefore, NGK gives them a life expectancy of 40-50k miles and Denso assigns a recommended replacement interval of 30k miles. Check if this part fits your vehicle. Iridium Racing Plugs   Denso iridium racing plugs and some NGK iridium racing plugs have iridium center and a platinum ground electrodes. All dual precious metal plugs are designed to provide maximum longevity. And usually, Bosch, NGK or Denso plugs will come factory pre-gapped. Free shipping . We are not NGK Spark Plugs USA. Free shipping . Other types can last up to 100,000 miles. Removing a modern spark plug requires a hex socket of 14mm vs. octagonal sockets of 16mm in the 1980's and 19mm in the 1960's. Bosch Double Iridium includes places iridium in the ground electrode inlay as well. NGK builds two types of iridium spark plugs: OE Iridium and Iridium IX ®. Ground Electrode. Both are iridium spark plugs and have a long lifespan. When a copper plug lasts for around 20,000 miles, the average lifespan of an iridium plug is 40,000 – 60,000 miles. 6 PCSNEW -- DENSO #4504 PLATINUM T T Spark Plugs -- PK20TT. Iridium spark plugs are not the best in terms of performance but nothing can beat their longevity. $50.00. Superior anti-fouling characteristics, and sharper throttle response Cart... or broken plugs means. 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