MSD's spark plugs are engineered to improve the efficiency of the combustion process to create the most power possible combined with increased durability. 0 users rated this 4 out of 5 stars 0. We are not NGK Spark Plugs USA. Sign in here, Endorsed by leading performance manufactures, September 5, 2017 at 4:27:15 PM at 4:27:15 PM, September 12, 2017 at 6:27:02 PM at 6:27:02 PM, September 13, 2017 at 4:34:16 PM at 4:34:16 PM, September 13, 2017 at 10:21:46 PM at 10:21:46 PM, September 14, 2017 at 4:49:36 PM at 4:49:36 PM. Today, we’re still going strong with iridium spark plugs that perform under pressure. The DENSO Iridium Long Life plug is fast becoming the standard for today's high-tech engines. However, they’ve been known to go up to 80,000 miles, or even 120,000 miles, depending on the vehicle. $31.06. Iridium’s extremely high melting point is perfectly suited to today’s high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability. **Please note that the service life is provided as a general guide and may vary due to vehicle driving conditions. Apr 22, 2018 #18 I've not had much luck with Bosch plugs in any of my BMW's- for whatever reason NGK worked best, the car felt smoother. Benefits. The strength of iridium ensures that you can receive a long-lasting installation when you make this upgrade. 4904 Iridium spark plugs give absolutely no improvement in the performance and mileage of the bikes, period. News, products, problems and results. Iridium spark plugs come standard on select modern vehicles. Designed for durability under the most extreme conditions, NGK gives them a life expectancy of 40-50k miles. Of course, it can be very difficult to tell if your spark plugs are beginning to wear out. In a recent 1k+hp 2jz dyno the copper plugs just did not ignite with re85 and high boost levels, but denso iridiums did the trick. This is particularly true in countries with gasoline of bad quality (poor octane rating). 4. Be the first to know about sales and promotions. 5. The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX ® ideal for the performance enthusiast. Chevy Corvair 1964, Iridium IX™ Spark Plug by NGK®. Service Life ** 20,000 – 40,000km. Also, have you seen any difference in the required heat range of the plugs when switching from gasoline to re85 ? They simply will last way longer and will not degrade sooner than copper plugs but still when it comes to performance improvement, copper plugs performance better than iridium or any other plugs out there. 0.7mm iridium tipped laser welded fine wire center electrode and platinum tipped ground electrode. Because iridium is costly, iridium spark plug manufacturers reduce the diameter of the center electrode to as little as.4mm. Thank you, this is valuable input for me since reading the plugs is not really feasible for me on most occasions. Is there any convenient way to measure, check or estimate this save for reading the plugs on a dyno. This is particularly true in countries with gasoline of bad quality (poor octane rating). 100% Guaranteed Satisfaction As an example, the supercharged production 2018 Dodge Hellcat—which makes 707 hp from its 6.2L Hemi—specs an iridium spark plug. the engines are built for standing mile which is quite a stress for the engine, you essentially go through all of the gears at WOT which essentially results in the engine running at the top end of the power curve for more than 25 seconds straight. Even though different manufacturers produce them, you’ll still receive an average of 50,000 miles before the new units require service. Denso iridium long life spark plugs are factory installed on luxury vehicles by automakers such as GM, Toyota, Honda and Mitsubishi. 3. But they have to temper their projections as driving conditions and motor modifications differ. Pack of 4 New 22401-1KT1B NGK DILZKAR6A11 ( 1415 ) spark plug for Nissan . In theory re85 should burn cooler but due to the ability to resist knock, higher cylinder pressures can be obtained which might just turn this into a gain in torque while keeping the cylinder temps at the same level. 7. I can't think of applications where I've chose a platinum or iridium plug. 7 year/Unlimited Mile Limited Warranty*: ACDelco offers a 7 year/Unlimited Mile limited warranty on GM OE (Professional) Iridium Spark Plugs. Regardless of engine, manufacturer or ignition type. iridium Spark Plugs. Effective on parts purchased April 1, 2018 and later to the original retail purchaser. Posts. NGK Laser Iridium Spark Plugs have iridium center and a platinum ground electrodes. On road its not really the option since you would need to do it directly after a hard pull and with these power levels, getting a clean pull is too scary since the speeds required for traction are nuts. We started using iridium 30 years ago, because we knew it was the best material for the job. Share - Spark Plug-Double Platinum Power Spark Plug Champion Spark Plug RC10PYPB4. Hi Andre, and thank you very much for the answer. Lifespan of iridium spark plugs Not all iridium spark plugs are the long-life type , there are also some that have the same lifespan as a normal spark plug: 20,000 km … 3 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. Iridium spark plugs - Lifetime If you are experiencing spark plus symptoms, then check your Iridium spark plugs for the above and consider replacing them at an interval of 10,000 Km whatever the manufacturer's recommendation. Description. Most spark plugs have a factory service interval of 100,000 miles, though some may be as much as 120,000 miles. no pointers here ? In my Nissan I have the DENSO long life iridium plugs. Autolite® Iridium XP Spark Plugs. 1) Long Lifespan If you want to use spark plugs in your vehicle which will last for the longest time, then you’ll want to use iridium spark plugs. Gap is the same, form factor too. But they have to temper their projections as driving conditions and motor modifications differ. Other types can last up to 100,000 miles. 0.7mm iridium tipped laser welded fine wire center electrode and platinum tipped ground electrode. The iridium-alloy center electrode firing pin and laser welded ground electrode with iridium alloy inlay help it to go the distance. Iridium spark plugs are the most expensive and … 5.0 average based on 1 product rating. 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