It'll be back soon. In my opinion great quality with no surprise. 31 93618 NGK SIKR9A7 Spark Plug - Same Day Shipping. NGK spark plugs are original equipment on many outboard motors and are excellent replacements for everyday engine maintenance. Shop the HDM8X Kit >. Automotive. Laser Iridium spark plugs provide superior ignitability and long service life for your cruiser or sportbike. I just bought some NGK Iridium IX spark plugs: On the picture on the side of the box, they show the gap and write "1/16". What is its difference from an IRidium plugs, NGK, and a traditional spark plugs??. Like iridium plugs, they cost more. but as far as spark plugs go i only trust ngk and these were only 60 bucks. Spark Plug (For Motorcycles, ATVS & Scooters) NGK spark plug is the leading brand in the Motorcycle field with high quality in the world. Iridium spark plugs are quite consistent and wear-resistant. An NGK DR7HSA has a 12mm thread diameter and a CR7HSA has a 10mm thread diameter. If plugs are hard to get to, a longer lasting plug means that a difficult job can be performed less f. Note: NGK plugs are no longer factory gapped. Qty: 78039093000 SPARK PLUG LKAR8A-9 £16. NGK Iridium IX; NGK Iridium MAX; NGK Ruthenium RX; NGK IRI-Series / Racing; NGK Laser Platinum; NGK Laser Iridium; NGK Platinum; NGK Standards; MOTORCYCLE; LPG / LPI; Spark Plugs WIRES. They are actually manufactured by NGK and the part number is the same as the NGK 3811 (ILTR5A-13G) Laser Iridium spark plug. Cylinders, engines, gaskets, magneto rotors. These spark plugs have laser welded centre electrodes using the precious metals iridium or platinum. Spark Plugs. This can be an advantage in certain situations. FEATURES NGK Iridium IX Spark Plugs offer extreme ignitability, improved throttle response and superior anti-fouling; 0. 4mm center electrode. Get Car Accessories, Motorcycle Accessories with discounts and promos on iPrice today!. These spark plugs have a small center electrode which means they use less voltage to generate the electric current. You may also find the NGK spark plug code helpful. This commitment continues to be the driving force behind NGK's product development, enabling the company to provide customers with the finest products possible, including but not limited to NGK iridium spark plugs, NGK laser iridium spark plugs, ignition components for motorcycles, power sports, marine, and small engines. I would do either by 100k or so. 0 out of 5 stars 20. Spark plugs are inexpensive to replace, and for that reason it's recommended that you change them every time you service your car. The NGK Iridium IX is a spark plug designed to offer lasting ignitability, superior anti-fouling characteristics, and sharper throttle response. I just got done searching about spark plugs, but i didn't find exactly what I was looking for. I know that there is another one out there which was highly suggested, but wasn't on the market yet as far as I knew. The tech put some NGK plugs in it and the truck was like brand new. Motor is basically stock - with a mild cam. As far as the gap, they may be pre-gaped from the factory, but I strongly recommend checking them before you install them. To help you decide which is right for you, below are the pros and cons of each type of spark plug. WMW normally uses the Platnium plugs but due to demand we are now stocking these Iridium plugs. Buy NGK 5044 BR8EIX Iridium IX Spark Plug, Pack of 4: Spark Plugs - Amazon. Due to the different tip design, the gap of the spark plug has also changed. Here at AutoZone we make finding the right parts easy. The actual gap spec is 1. I just use the traditional spark plugs. NGK Spark Plugs. They changed the plug after 2006. The 'T' designation is an OEM like replacement. These spark plugs have a small center electrode which means they use less voltage to generate the electric current. The spark plug operates by producing a spark of electricity across a gap on the spark plug, which in turn ignites the fuel in the combustion chamber so you can start your Toyota. 00 (US) my account | LOGIN. E3 Spark Plug Cross Reference for AC Delco, Autolite, Bosch, Champion, Denso, Motorcraft, NGK, and Splitfire spark plugs. My bike had the NGK in it and that’s what I replaced it with. NGK Iridium spark plugs are globally the best performance category of spark plugs having superior technology. Anyone else heard this. However, one of the parts websites I visit says that is for 2001-2004. For the general RC gas engine there is no benefit. Spark plug specifications and part numbers may also be found in the applicable Fuel Injection and Ignition section, Repair Group 28. Cylinders, engines, gaskets, magneto rotors. The spark plug requires full replacement once per year, or after 200 hours. I know this topic has been debated ad-naseum. Just put the NGK DPR8EIX9 iridium plugs in both my Twin Spark Dakar and my wife's '99 classic. Spark plug technology has come a long way. This Spark plug from NGK helps in combusting and staying hotter for longer. Nothing wrong with them, but the added cost is tough to justify. 1 mm gap size. Sparkplugs Ltd - the home of UK and Europe online spark plug retail. NGK Iridium IX Spark Plug - DCPR7EIX. Easy to use parts catalog. Iridium spark plugs will last the longest. NGK Spark plug for Arctic Cat 4 stroke (not turbo) and others Part #: DCPR7E. Fake Counterfeit NGK Spark Plugs Sold On Amazon. Find NGK Iridium IX Spark Plugs CR9EHIX-9/6216 for your HONDA CRF150R and get Free Standard Shipping on orders over $0 at PowerSports Place!. The concept is good (yours), except that Autolite's XP plugs, AFAIK, do not contain a platinum tipped ground electrode. My 94 Camaro used platinum plugs from the factory. - good for big shots of Nitrous and forced induction. I have picture trying to upload. 040 inches) when the spark plug is made. One of a kind two-ventured focus. PayPal Accepted. Both types have the very same parts and construction, the only difference between iridium and platinum spark plugs is the metal used for the center electrode. How to Change Spark Plugs - Spark Plugs Methods of Sealing, Spark Plugs Installation and Spark Plug Gap Chart sections of this page are here to help you better understand the most critical steps and procedures in changing spark plugs. Make sure and read the part about how detonation makes the plug look cleaner. Iridium spark plugs, available for select Toyota models, have several benefits: Smaller center electrode promotes higher firing performance. Nothing wrong with them, but the added cost is tough to justify. 043 (per Nissan Factory Service Manual) or. Click the button below to add the NGK - Iridium IX Spark Plug BKR7EIX *set of 4* for Nissan 240sx/Silvia to your wish list. However, sparks don't just simply ignite. Do not adjust the gap on a used iridium plug. NGK builds two types of iridium spark plugs: OE Iridium and Iridium IX ®. By using this information you accept the terms of the disclaimer. Aside from the very common copper spark plugs, there are two other options for most users; platinum and iridium plugs. : NGK DCPR7E, Champion RA8HC. The time has come to change my spark plugs as per Manufacturers schedule. Honda cars seem to run better on NGK plugs as well. Why ? Well, they have excellent heat durability, put out a great spark kernel for efficient fuel combustion, eliminate stumbling, and maximize power! Benefits of NGK Iridium IX plugs: Iridium alloy has extremely high melting point, perfect for use in the turbocharged Cobalt engines. NGK have over 80 years of experience in spark plug manufacturing and we are a world leader in spark plug technology. NGK Iridium Spark Plug - CR9EIX. This Spark plug from NGK helps in combusting and staying hotter for longer. Iridium is a metal that is harder and more durable than platinum. We also specialize in hard to find spark plugs. NGK BR6HIX Iridium Spark Plug for Royal Enfield Bullet STD 350. Pros of Iridium Spark Plugs. Online shopping from a great selection at Automotive Store. 0 out of 5 stars 5. They are actually manufactured by NGK and the part number is the same as the NGK 3811 (ILTR5A-13G) Laser Iridium spark plug. The typical copper ones will wear out between 10,000 to 20,000 miles. i just installed ngk iridium plugs on my cayman s today. The air filters and intake pipework come off as a whole piece. Always refer to catalogue data to. 8 GENESIS COUPE 2010 - 2016. Why use potertially harmful imitation spark plugs in the engines of valuable cars, motorcycles, and general-purpose machinery? To avoid this kind α problem, always insist on genuine NGK brand spark plugs. 1 mm gap size. (Although you should always buy what OEM recommends). How To Read The Spark Plug Color. NGK B8ES - Alternative spark plugs There are 153 replacement spark plugs for NGK B8ES. NGK IX Iridium Series plugs were designed specifically for the performance enthusiast. If you don’t already know them, now is the time to fix that. The car ran fine. and has a thermo-edge design for cent. Any use of this cross reference is done at the installers risk. In the real world, though, you're unlikely to see any measurable change in fuel economy using iridium instead of platinum plugs. It is the NGK IFR8H11. Buy NGK Spark Plug products online in Malaysia at the best prices October 2019. NGK Spark Plugs on NGK. Iridium has a very high melting point that's perfect for high-performance, high-tech engines. Iridium Spark Plug Gas Engines. 99 for each one - way cheaper than the dealer!. Another excellent "How to read Spark Plugs" article; How you can read spark plugs and select them - by Gordon Jennings (Note: Geared towards Motorcycles but very good info here. Spark Plug (For Motorcycles, ATVS & Scooters) NGK spark plug is the leading brand in the Motorcycle field with high quality in the world. Below are the top 3 pros of iridium spark plugs. I've been reading Iridium spark plugs are the way to go as they last longer and can improve gas mileage. As for the 2. I'm about to replace my spark plugs and I want to know the difference between the NGK Iridium & NGK Laser Iridium? I know both have a cold rating of 7 which is what I'm looking for. The cross references are for general reference only, please check for correct specifications and measurements for your application. Should I buy the NGK LASER IRIDIUM SPARK or the NGK Iridium IX? Does the NGK. Designed with iridium-enhanced 0. I picked up some Toyota brand wires (actually made in Japan by Sumitomo) got them to price match what I found online plus shipping which saved me about $20. These Laser Iridium Spark Plugs feature dual metal design to provide maximum performance and iridium center electrode. 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. Superior Materials. Let me ask you this, if Nissan thought an iridium plug would work better, wouldn't the engine be designend with that plug? It was designed around the NGK platinums that are specified. Shop for NGK Laser Iridium Spark Plug 4589 with confidence at AutoZone. This is the reference chart for decoding the standard NGK spark plug designations such as B7ES and BP8EGV into something more understandable. 73 (a step up from OEM) NGK G-Power $6. Spark plug findings (NGK Iridium vs E3) Ok so after running E3 spark plugs in my GS for about a year and a half I decided to order a new set of stock NGK Iridiums and. In my opinion great quality with no surprise. Iridium Spark Plugs. I am running LZTR5AIX13 - NGK 2314 plugs which have a heat range of 5. It is manufactured using high-quality materials, to the same specifications as the original part. Power up your engine with a fresh set of spark plugs. I have yet to see a fouled iridium spark plug - and I have seen them on engines with more than 300,000 kms on them too. ORDER QUANTITY OF 8 FOR LSx ENGINE! Iridium is a precious metal that is 6 times harder and 8 times stronger than platinum, it has a 1,200(=F) higher melting point than platinum and conducts electricity better. Should I only replace the spark plugs that are failing? It's proper car maintenance to replace all of your spark plugs at once, even if only one or two are actually. The highly advanced iridium electrode is a full 25 percent smaller than the platinum electrode and just 1/4 the size of a conventional nickel electrode. All Laser Iridium plugs are an OEM design, made for a specific engine. Fake Counterfeit NGK Spark Plugs Sold On Amazon. NGK Spark Plugs was founded as a spin-off of the spark plug division of NGK Insulators. Get the best deal for NGK Motorcycle Spark Plugs from the largest online selection at eBay. hi guys tex here what is this new iridium spark plug is it worth useing,if it is how do i cross reference my ngk cpr7ea-9 thanks. Quick View. Utilizing a wide variety of materials, from standard copper-core type to Iridium, NGK is the world's leader in spark plug engineering and technology. Plugs on the Mk3 are scheduled for change every 60,000 miles. These spark plugs have a small center electrode which means they use less voltage to generate the electric current. edit: platinum, also. How To Read The Spark Plug Color. Why use potertially harmful imitation spark plugs in the engines of valuable cars, motorcycles, and general-purpose machinery? To avoid this kind a problem, always insist on genuine NGK brand spark plugs. My vehicle was not performing great so I took my vehicle to the garage. Iridium plugs are highest in cost, and typically feature "fine wire" centers designed to conduct electrical energy better. NGK TR55-IX Iridium Spark Plugs. With NGK Iridium Spark Plugs IX, you will enjoy smooth, better fuel utilization and superior performance with increased life. Secure Online Ordering. Dears, I have big confusion with spark plugs for my engine 5. Altima surging after spark plug change 21 Answers. The (2) options were OE Laser Iridium at $13. See and discover other items: iridium spark plugs, ngk iridium spark plugs Unlimited One-Day Delivery and more Prime members enjoy fast & free shipping, unlimited streaming of movies and TV shows with Prime Video and many more exclusive benefits. Iridium plugs last atleast 4x longer then regular plugs. JDM uses NGK's in all of their performance vehicles. NGK's new Iridium IX is the personification of these qualities and takes premium performance spark plugs to a new level. Struggling with a misfiring engine, or a car that simply just won’t start? It might be time to update your spark plugs, and we’ve got everything you’ll need here at Euro Car Parts. The spark plug gap adjustment should not be changed more than 3 times and should not exceed. Almost all manufacturers have their own version of an iridium spark plug. Spark plugs are inexpensive to replace, and for that reason it's recommended that you change them every time you service your car. Designed for performance enthusiasts who want extreme ignitability, improved throttle response and superior anti-fouling, these spark plugs are a great option for modified engines and appropriate replacement for OE spark plugs, where recommended. Variations on an aged theme utilizing different metals that have no discernible difference in the operation of the engine. Shop the HDM8X Kit >. Characteristic Iridium Plugs are high-performance plugs with measures against plug fouling: they feature a faster spread of combustion than Nickel type plugs, and they are also provided with a "thermo edge" at the top of the insulator. These Laser Iridium Spark Plugs feature dual metal design to provide maximum performance and iridium center electrode. A new spark plug has been released for use in the above vehicles. On an unmodified car that specifies normal plugs, platinum or iridium plugs won't make much of a difference apart from cost; I'd stick with the manufacturer's recommendation and change the plugs as per schedule. Above that I would look at an 8 for a street car, cooler if its a. The Ignition and Sensor Specialist!. On an engine that has been modified with higher compression or more boost, it might be worth springing for platinum or iridium plugs. 7L uses champion copper core, 08-10 4. New materials are in use which have lower resistance and give a longer life. The cross references are for general reference only, please check for correct specifications and measurements for your application. It's the age of iridium electrodes. They typically last 60,000 miles or more before needing replacement. Spark Plug: CR8E; Items 1 – 52 of NGK Iridium Sparkplug $9. OEM Replacement This part is aftermarket equipment designed to replace the original manufacturer's part numbers specified here. Welcome to the electronic catalogue of NGK Spark Plugs (UK) Ltd. NGK spark plugs feature what is known as trivalent plating. SOLD INDIVIDUALLY. Browse your favorite brands affordable prices free shipping on many items. 0LV12,ASSIGNAT 100 Franken,18 Nivôse Jahr III,Serie 3743,Nr. You may also find the NGK spark plug code helpful. Iridium IX spark plugs offer extreme ignitibility, improved throttle response and superior anti-fouling. Online shopping from a great selection at Automotive Store. - Best OEM Iridium spark plug available - Original Equipment Manufacturer approved design. Vestment bestickt mit dem Bild des „St. Laser Iridium spark plugs provide superior ignitability and long service life for your cruiser or sportbike. Please view the application guide below. NGK is a world leading spark plug brand that also specialises in ignition leads. Should I buy the NGK LASER IRIDIUM SPARK or the NGK Iridium IX? Does the NGK. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. 044 (per NGK literature). As the largest supplier and manufacturer of spark plugs and oxygen sensors for import and domestic vehicles, we are the industry experts you can count on. OE quality range spark plugs; Glow plugs; Ignition leads; OE quality range; International distribution network; Find parts by. 4 mm IRIDIUM RACING advantage. 1 supplier of NGK OE Spark Plugs. and when coming to a stop and letting off the gas padel the car just wants to die. Not sure if it Iridium. These are plugs commonly used in the hope of maximizing performance and efficiency, but how much can it really change your machines performance?. Features an iridium centre electrode and high quality copper core. The manual calls for NGK CR9EK plugs which are multi-ground plugs. New Set of 6 NGK Iridium IX Spark Plugs 4469 + 6 Premium High Performance Ignition Coil For Nissan Infiniti Suzuki. NGK spark plug reference chart. The NGK Iridium IX Spark Plug is a good quality spark plug. Select your vehicle's Submodel to continue. DDR Medaille - Leitungsvergleich Künstlerisches Volksschaffen Dresden 1969,12 x NGK IRIDIUM IX PLUGS SALE BKR6EIX,MERCEDES-BENZ CL65 AMG (2008),6. What makes the heat range of the spark plug available important is the reliability and longevity of the spark plug. NGK BPR6ES - Alternative spark plugs There are 314 replacement spark plugs for NGK BPR6ES. NGK has been developing spark plugs for every type of automotive engine, plus motorcycles, marine, horticultural, plant and many others since the 1930s. Iridium IX spark plugs offer extreme ignitibility, improved throttle response and superior anti-fouling. 3 and 4 liter motors. NGK # 3764 Iridium Spark Plugs BKR6EIX-11 That is the brand I would recommend for your vehicle. A NGK Spark Plug plays a crucial role in the functioning of a car because they make a car run smoothly. The current UK range of NGK Iridium IX spark plugs for car, motorcycle and scooter. Fast, Free Shipping on Orders Over $79 on NGK Spark Plug & NGK and gear at MotoSport. A new spark plug has been released for use in the above vehicles. Here is what my spark plugs looked like after removing them from the vehicle. ANY TROUBLE NOT ATTRIBUTABLE TO DENSO SPARK PLUGS. The ultimate in the evolution of spark plug technology and performance from the industry leader. DENSO spark plugs use iridium alloy for their center electrode. Iridium Spark Plugs. Find out about rebate offers, download rebate forms, and more-all at the Advance Auto Parts Rebates Center. Iridium spark plugs have extremely fine electrodes while retaining excellent wear characteristics. NGK Iridium IX Spark Plugs Features: Iridium alloy has an extremely high melting point; Iridium electrode is 25% smaller than a platinum electrode, and is 1/4 the size of a conventional nickel electrode. Spark Plug: CR8E; Items 1 – 52 of NGK Iridium Sparkplug $9. However, with NGK iridium plugs, you can expect more efficiency than the rest IR plugs. Parts are just part of what we do. No issues with the fuel mileage. WMW normally uses the Platnium plugs but due to demand we are now stocking these Iridium plugs. FEATURES NGK Iridium IX Spark Plugs offer extreme ignitability, improved throttle response and superior anti-fouling; 0. NGK OE-style Laser Iridium Plugs are designed to meet the specific needs of each particular engine. The cross references are for general reference only, please check for correct specifications and measurements for your application. The typical copper ones will wear out between 10,000 to 20,000 miles. 5L Ecoboost Spark Plugs, 2015-2016 F150 3. So there are different kinds of spark plugs. Champion Numbering System. The entire concept of these plugs were that they wont require servicing for an incredibly long period (this is good for the owner as it translates to lower running cost). NGK Part Finder. NGK Offroad Spark Plug Mouse - St. NGK V-Power Spark Plugs have unique V-power design that directs the spark to the edge of the electrode where it develops more rapidly to improve ignitability better than OE manufactured versions. These are NGK LFR6AIX-11. So, in general, iridium spark plugs allow you to have a lifespan of platinum and performance comparable to copper. Heat range for NGK plugs 2 HOT - 11 Cold. NGK (1753) Home Automotive Spark Plugs. It will be the great replacement while all NGK models are sharp and compatible with most of the vehicles. Can I use the Iridium tipped in my V6 1GR-FE? The manual only mentions the normal LFR6C11 spark plugs. Here we have top 5 best NGK spark plug with reviews to help you make the right choice. Each of these plugs are built to last, resisting corrosion all while delivering a clean, powerful spark for your truck's engine. NGK Spark Plugs Canada 275 Renfrew Drive Suite 101, Markham, Ontario, L3R OC8 | Get Directions. com FREE DELIVERY possible on eligible purchases. Fine Wire Center Electrode Ensures High Durability and a Consistently Stable Spark Iridium Alloy has an Extremely High Melting Point, Perfect for Today's High-Tech, High Performance Engines Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties Corrugated Ribs Prevent. Fits many other hobby engines as well. Knowing that factory spark plugs on newer Harley Davidson motorcycle's under normal operating conditions only need to be changed out every 30,000 miles or so is something to take into account. 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). NGK Laser Iridium Plugs RS 408 80 0010; Shop NGK Laser Iridium Plugs RS 408 80 0010. share your car make , model and plug model as well. NGK spark plugs feature what is known as trivalent plating. NGK V-Power Spark Plugs have unique V-power design that directs the spark to the edge of the electrode where it develops more rapidly to improve ignitability better than OE manufactured versions. 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. These spark plugs have a small center electrode which means they use less voltage to generate the electric current. So the fact that BMW is using NGK as an OE supplier over good old Bosch says some things. NGK Laser Iridium Spark Plug. It had only been driven when the car over fuels on start up so I wanted to get fresh plugs in for the start of spring. Shop our wide selection of Spark Plugs for your BMW 3 Series E90 (2006-2011). By producing a high intensity electrical discharge within the engines combustion chamber the spark plug provides the heat energy required to start the air/fuel mixture burning. It had only been driven when the car over fuels on start up so I wanted to get fresh plugs in for the start of spring. They recommended that I replace the spark plugs. NGK Iridium Spark Plugs represent the ultimate evolution of spark plug technology and performance. NGK also makes a BKR5EIX-11 Iridium IX plug - that will also work, but has a much finer center electrode. It was a good idea while it lasted. For the OE Iridium series, dual precious metal means iridium on the center tip and platinum on the ground electrode. Some of NGK’s spark plugs include the NGK V Power spark plug, NGK G Power Spark Plug, the Iridium IX NGK Spark Plug, and the NGK Pro V Spark Plug. Is it that the Laser Iridium is a OEM style where-as the Iridium is universal?. Iridium spark plugs will last the longest. A good stock replacement spark plug for an RB26 is a BCPR7EIX. The NGK Iridium IX is a spark plug designed to offer lasting ignitability, superior anti-fouling characteristics, and sharper throttle response. NGK Spark Plugs also developed the V-Groove spark plug, which is an ideal product for today's clean burning, low emissions engines. Superior Materials. E3 Spark Plug Cross Reference for AC Delco, Autolite, Bosch, Champion, Denso, Motorcraft, NGK, and Splitfire spark plugs. The time has come to change my spark plugs as per Manufacturers schedule. Starting with part # IK20 (heat range 20), a colder plug would be # IK22, a hotter plug would be # IK16. --DENSO Iridium Spark Plug: The Denso Iridium sparkplug. Iridium spark plugs, along with lasting an incredibly long time, require less voltage than standard plugs. Iridium content varies, some of the lower priced iridium plugs have just enough iridium content so they can be marketed as iridium plugs. If this is not the exact Spark Plug (Laser Iridium) you are looking for, or you would like this part in a brand other than NGK Laser Iridium, please contact us and one of our customer service experts will help you locate the exact part you need. NGK TR7IX Iridium Spark Plugs (Set of 8) Iridium IX - The ultimate evolution of a performance spark plug. Designed for performance enthusiasts who want extreme ignitability, improved throttle response and superior anti-fouling, these spark plugs are a great option for modified engines and appropriate replacement for OE spark plugs, where recommended. By using this information you accept the terms of the disclaimer. Platinum, Iridium, Nickel, Iridium Max, Double Platinum. NGK makes a plug called Iridium IX. To help you decide which is right for you, below are the pros and cons of each type of spark plug. Ngk laser iridium Vs Ngk iridium IX 1 step colder. Iridium is a more durable material than platinum (its melting point is approximately 1200°F higher than platinum). DENSO would like you to try the 0. Marine Parts Guys. 31 93618 NGK SIKR9A7 Spark Plug - Same Day Shipping. NGK Spark Plugs feature a trivalent metal plating that provides superior anti-corrosion and anti-seizing properties. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Typically we have found you can expect 50-80k miles on a traditional iridium plug. Iridium spark plugs will last the longest. This NGK V-Power Spark Plug is designed specifically for use in 4. I have the NGK Iridium CR8EIX in my 700 Grizz. JDM recommends these NGK-6510 LTR7IX-11 Iridium IX spark plugs. NGK Spark Plugs - My Review Spark plugs are essential to the running of a car's engine and its efficiency in using less fuel that drives our cars. Iridium plugs offer high mileage and are very reliable. FITS: 1999-2017 Harley Twin Cam. I doubt that there is anyone on this forum that knows spark plug design better than the NGK engineers. NGK Iridium IX Spark Plug Single Piece Pack for Stock Number 4218 or Copper Core Part No. This Spark plug from NGK helps in combusting and staying hotter for longer. 8 Stilo, and I thought I'd give my opinion in case anyone else was thinking about it. Spark plugs are extremely important to maintain engine maintenance. So, last month I replaced my spark plugs. Over time spark plug electrodes can wear down, crack, corrode and become coated in deposits, causing misfires. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. These are manufactured to meet and even exceed OE part specifications that ensure precise fit and function with improved wear. Edit: "Gap" that was supposed to say "Spark Plug gap". NGK Laser Iridium Plugs RS 408 80 0010. NGK Spark Plugs, the leader in advanced spark plug technology, has now struck another milestone in the construction of iridium plugs.