This information has been verified form several sources, however, it is always best to consult the Harley service manual and the spark plug manufacturer data. These metals conduct electricity better than cheaper metals like steel or aluminum, so they can create a stronger spark. Its What they are made of. Thanks to its strength, iridium spark plugs can last up to 25% longer than comparable platinum spark plugs. Harley-Davidson reimburses dealers for performing manufacturer-specified pre-delivery inspection and setup tasks. Brand New. The normal gap for my bike is .040. Financing Offer available only on new Harley-Davidson motorcycles financed through Eaglemark Savings Bank and is subject to credit approval. So, do high end spark plugs make a difference? The tapered tip gives a good spark exposure to the fuel/air mixture and also permits a smooth flow through the gap zone for a maximum ignition. When all else fails, hell there is always Jack Daniels! These spark plugs offer better performance than the standard ones and can help improve fuel economy. Not all applicants will qualify. While the motor company only recommends use of their original equipment Harley brand spark plugs, the other brands often exceed original specification and will not void your warranty. I used to run SE and then it occurred to me all the money I wasted on high dollar plugs on vehicles. Click below to begin your paid subscription. 4 bolts, an electrical plug, a breather hose, and a quick disconnect gas line is a small price to pay to keep plugs fresh and new rather than causing more problems to your engine. If youre looking to improve your cars performance, you might be wondering if upgrading to performance spark plugs is worth the investment. Top Rated Plus. However, older engines may not see as much of an increase. C $26.11. Works the same. I put the standard in and ran it a hundred miles or so and noticed I was getting what sounded like spark knock. Actual range will vary depending on riding habits, ambient weather and equipment conditions. Fuel economy and mileage may vary among motorcycle models within a family. 2023 H-D or its affiliates. The prior one has a "V" trimmed ground electrode to spread the flames . Its not How Fat the wires are. Maybe you just got a bad plug? 27. Cleaner burn maybe Go with the stock plugs and a 6 pack. The V trimmed ground electrode reduces shrouding of the flame front to promote flame propagation, and the fine wire center electrode enhances startups and ignitability. NGK is another trusted name in the world of motorcycle spark plugs. Cannot be redeemed for cash or cash equivalent and is non-refundable. Not valid in conjunction with other offers. this is a Harley with screamin eagle upgrades. Heres a look at some of the factors youll need to consider to decide if performance spark plugs are right for your car. What are the Best Spark Plugs for a Harley Davidson? 17 No. I regaped to .40 on my 2015 road king and the bike gas mileage dropped off to 37 from 44. Spark plugs are one of the most important engine components, and they can have a big impact on horsepower. You might see a slight increase in horsepower with better quality spark plugs, or you might not notice any difference at all. I've looked at a lot of reviews they seem to do very well. Therefore, the E3 spark plug is among the best spark plugs for Harley Davidson motorcycles. There is no performance gain from doing a plug/wire upgrade. The $75 USD / $100 CAD voucher cannot be used towards the down payment on a motorcycle, must be used by March 31, 2022, can be applied to current customer orders that are on backorder but is not available on previous purchases, future motorcycle orders, or deposits outside of the Sales Period. Learn more about us. Screaming Eagle Spark Plugs, part no. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Car & Truck Safety & Security Accessories, Harley NEW OEM dyna screamin eagle 10mm spark plug wires street bob RED 31937-99, HARLEY DAVIDSON SCREAMIN EAGLE 10MM PHAT SPARK PLUG WIRES BLACK OEM 31932-99C, HARLEY NEW OEM Screamin' Eagle 10MM Spark Plug Wires BLACK 31600108 TOURING 17+, HARLEY Touring electra glide screamin eagle 10mm BLACK spark plug wires 99-2008, HARLEY NEW OEM Touring 09-16 screamin eagle 10mm RED spark plug wires, 1188 01 HARLEY-DAVIDSON DYNA SCREAMIN EAGLE 10MM PHAT SPARK PLUG WIRES, Harley Davidson NEW OEM Screamin Eagle 10mm Spark Plug Wires Sportster 2007 +, HARLEY NEW OEM Screamin Eagle 10mm Phat Spark Plug Wires TOURING 99-08, Harley Screamin Eagle 10mm Spark Plug Wires Touring Trike Street Road Glide King, HARLEY NEW Sportster XL 86-03 screamin eagle 10mm spark plug wires 31963-89A, HARLEY NEW OEM Screamin Eagle 10mm Phat Spark Plug Wires SPORTSTER XL 86-03, Harley Davidson Screamin' Eagle 10mm Plug Wires 09+ #32303-08 B-2, HARLEY NEW OEM Screamin' Eagle 10MM Spark Plug Wires BLACK 31600111 SOFTAIL 18+, Harley NEW OEM orange Plug Wires Screamin Eagle Sportster 2007 +, HARLEY NEW OEM Screamin Eagle 10mm Phat Spark Plug Wires SPORTSTER XL 04-06, Harley NEW OEM orange Plug Wires Screamin Eagle Sportster 2007-2019, Harley Touring 99-2008 screamin eagle 10mm BLACK spark plug wires 31932-99B, Harley OEM Screamin Eagle Phat Spark Plug Wires Street XG 500 & 750 31600048 NIB, Harley Touring 09-16 screamin eagle 10mm BLACK spark plug wires 32303-08, HARLEY NEW OEM Screamin' Eagle 10mm Phat Spark Plug Wires - SOFTAIL- Red -, HARLEY NEW OEM Screamin' Eagle 10MM Spark Plug Wires Orang 31600113 SOFTAIL 18+, Harley XL 04-06 orange screamin eagle 10mm spark plug wires 31956-04A, Harley XG STREET 15 and + orange screamin eagle 10mm spark plug wires 31600051A, Harley XG STREET 15 and + Red screamin eagle 10mm spark plug wires 31600054, Harley touring electra glide flhx screamin eagle 10mm spark plug wires 31946-99c, 00 - 17 Harley Davidson softail Screamin Eagle Phat spark plug wires 10mm RED. These are specifically designed for twin-cam bikes and work well in most Harley's. The NGK Iridium IX Spark Plugs are made from iridium, the benefits of which we've thoroughly covered further down in . Offer valid on purchase of Genuine H-D Parts & Accessories and General Merchandise only made on or between December 27, 2021 through March 31, 2022. In general, they have a higher heat range than standard spark plugs, which helps to prevent pre-ignition and detonaion. Why do you want these ? " Surcharges attributable to raw materials costs in the product supply chain, Features Ribbed Core Technology (RCT) that provides resistance to fouling, Designed with Original Equipment-style noise suppression to prevent electrical interference with radios and CB communication equipment, Works great in racing applications where rich air/fuel conditions are required, Designed for modified engines including performance carburetors, high-flow air cleaners, camshafts, exhaust systems and ignition systems in conjunction with stock compression ratios. Financing offer is subject to change or cancellation at anytime. The stock 6R12 spark plugs are generally too hot for a high performance engine build, which puts your pistons at risk of detonation damage. There are a lot of factors that can affect how well your car runs, and one of them is the type of spark plugs you use. North America security system includes immobilizer; outside North America the security system includes immobilizer and siren. Buy whatever you like but I would spend the extra money on gas for the tanks rather than plugs and wires that you cant tell are on the bike. Dealer participation may vary. I bought both the s.e. I don't recall if the M8 motors have ion sensing like the twin cams do but I know the SE plugs and wires will mess with it. Using a correctly gapped spark plug and a new one inhibits early combustion or even skipped firing, which may end up damaging the engine. S. For example, a 2022 Road Glide motorcycle in Vivid Black with an MSRP of $21,430, no down payment and amount financed of $21,430, 60 month repayment term, and 3.99% APR results in monthly payments of $394.57. Financing Offer available only on new Harley-Davidson motorcycles financed through Eaglemark Savings Bank and is subject to credit approval. The big question is, how often should you replace the spark plug of your motor vehicle? Not all motorcycle models undergo fuel economy testing. Always. Prices and selection at local dealerships may vary. Make sure that your spark plug is well compatible with the model and the make of your motorbike and also the type of the engine. If youre looking for an easy way to boost performance, changing to racing plugs is unlikely to make a significant difference. Not all applicants will qualify. You can order different spark plugs from the company. 9, August 30th 1954, Motor Age Motor Car Automotive Magazine Vol. On the other hand, if your car has been having trouble starting or staying running smoothly, performance spark plugs could help solve those issues. Spark Plugs & Wires. If this was the case every race team would run iridium plugs and tbere would be dyno runs in the thousands to back up the claim. Conclusion. Atlanta, Georgia 30328 | 877.481.5750, Screaming Eagle Spark Plugs, part no. NGK # 6046 Iridium Spark Plugs -- DCPR7EIX -- for Harley-Davidson Twin Cam and XL. Nology Hotwires Spark Plug Wires 012-052-111 & Screamin Eagle Spark Plugs S9758. Financing Offer available only on new HarleyDavidson, Financing Offer available for Used HarleyDavidson. Financing Offer available only on new 2019 Harley-DavidsonTouringmotorcycle models financed through Eaglemark Savings Bank and is subject to credit approval. Are Ruthenium Spark Plugs Worth It. If the guy working the assembly line was having a bad day, your plug may not be properly gapped. There is always give and take. Screamin' Eagle graphic printed along wire. The "V" trimmed ground electrode reduces shrouding of the flame front to promote flame propagation . Part Number: 31907-08A. 2018 Road Glide Special-V&H naked air intake, S&S Grand Nationals & 475 cam/lifters, SE 55mm intake manifold, PowerVison tuner w/Fuel Moto map, SuperShox, 13" Freedom Shield. Probably go with se on this one, mainly for looks. Does Walmart Have Spark Plugs. Every driver wants to be able to climb hills comfortably. All motorcycles, including those from the Harley-Davidson company, require a suitable spark plug for optimum starting as well as engine performance. When it comes to Harley-Davidson motorcycles, Screamin Eagle is a brand that needs no introduction. Ultimately, its important to choose the right type of spark plug for your engine to get the most out of it. JMO. 3 July 1927, Aviation Week, Vol. For example, a 2023 Fat Boy 114 motorcycle in Vivid Black with an MSRP of $20,199, no down payment and amount financed of $20,199, 72 month repayment term, and 6.49% APR results in monthly payments of $339.45. APR is calculated according to the simple interest method. A spark plug is a device that delivers electric current from the ignition to the combustionchamber of an engine to ignite the compressed mixture of air and fuel. Screaming eagle are just a colder temp range for high performance builds my guy. Financing offer is subject to change or cancellation at anytime. + $12.00 Shipping. But in most cases, they can help improve performance and keep your bike running smoothly. so Which One Is Better ? Had the bike for 15 years. Financing offer is available only for up to a 60 month term. The $75 USD / $100 CAD voucher cannot be used towards the down payment on a motorcycle, must be used by March 31, 2022, can be applied to current customer orders that are on backorder but is not available on previous purchases, future motorcycle orders, or deposits outside of the Sales Period. No matter what type of engine you have, it is always advisable to use iridium or platinum tipped spark plugs as they last longer and provide better performance than standard ones. In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. See a Harley-Davidson Dealer for details. The guy helping didnt think they fit(not sure what but he was using a different site), even though it says they will on the official HD site. Other terms, conditions, and limitations may apply. Our usual busniess hours are Monday - Friday 8:30am to 5:00pm. Pre-Gapped plugs can be "ungapped" by simply dropping them. Here is my argument. Harley Davidson original equipment spark plugs are sold each separately. The dyno testing I carried out a few years ago with several different brands of spark plugs showed no measurable difference on the dyno at all. AKA "GRENADING" an engine and builders worst nightmare.The more efficiently a spark plug is able to dissipate the heat being accumulated, the less likely you are to occur pre ignition detonation witch can cause substantial damage to your high performance and racing engines. The ground electrode with copper core runs cooler to make it last longer. Screamin Eagle: EVS13S - Hot EVS13P - Cold: ACDelco: 44NS: NGK: BPR5ES-11: NGK Platinum: BPR5EVX-11: Bosch: WR8D WR8DC WR8DP: Denso Iridium: IW16: Spark Plugs for . It rides and sounds beautifully right now even with old plugs and wires. I bought 2 for my 2012 HD ultra. (81.7 kg) operator weight. Dealer prices may vary. Not all applicants will qualify as the Annual Percentage Rate (APR) will vary based on the applicants past credit performance and the term of the loan. M8's being dual plugged, the difference would probably be even less. For a better experience, please enable JavaScript in your browser before proceeding. Accels spark plugs are designed to improve engine performance and fuel economy. 1. $45.95. In general, they can provide a small boost in power and fuel efficiency. There focus is on longevity, compliance, environment. Jul 7, 2014. See your Harley-Davidson Dealership for details. My 08 Road King Classic is soon due for a spark plug change with 14,567 miles on it as of after the weekend. The Diamond electrode extends this spark into the combustion chamber, which brings it closer to the robust fuel/air mixture. There is no performance gain from plug wires at all and the only beneficial point that some of the se plugs have is that they are 1 step colder. Davis says, "The key is to maintain coil voltage under load -the acceleration phase . showing how to change harley spark plugs wires. Ultimately, its up to you to decide if upgrading to better spark plugs is worth it for your car. Thanks for the opinions. But if you do a lot of high-performance driving like drag racing or track days then upgradingto performance spark plugs can give you an edge by helping ensure that your ignition system is up to the task of high-rpm operation. Black 10mm wire. However, it is out of stock at the time of writing. Question: Are Screamin Eagle Plugs so different that the gap is different than the original plugs? So, do racing spark plugs make a difference? This and the first years model are renown for a flat spot and lack of trackability when pulling away from low revs in 2nd and 3rd. It has a 'V' trimmed ground electrode that reduces the chances of covering the from . New Listing NEW Genuine Harley Screamin Eagle Spark Plugs Shovelhead EVO 1975-1999 32326-91 (Fits: Harley-Davidson) Opens in a new window or tab. Vehicle Specific. Before I spend the money, I would hope to get some feedback from anyone that ever used the Screaming Eagle ST Performance Stock Compression Spark Plug. $46.99. When it comes to choosing the best spark plugs for your Harley, there are a few things you need to keep in mind. Original equipment and Screamin' Eagle spark plugs are available. To get better performance" stock motor " ? However, if you have a turbocharged or supercharged engine, upgrading to performance spark plugs can help increase boost pressure and improve combustion efficiency. When it comes to choosing the best . Many vehicles, whether it's motorcycles or others, use Screamin Eagle spark plugs. Offer is subject to change by Harley-Davidson at any time without notice. Harley-Davidson and/or dealer are not responsible for lost or stolen offer codes. 102. coopernicus said: . A division of A07 Online Media, LLC. Stuck with them for years. It is appropriate for the modified engines inclusive of the high flow air cleaner, performance carburetors, exhaust systems, camshafts as well as the ignition systems together with the compression ratios of the stock. It has an ultra-small diameter of the electrode at the center, which reduces the requirement of the voltage and extends the life of the ignition system. EX 12S, box contains 2 plugs Items in the Price Guide are obtained exclusively from licensors and partners solely for our members' research needs. Another factor to consider is the type of engine you have. Higher Voltage Is Always Better -False. Yes, iridium spark plugs increase performance in that they produce enough sparks to ignite the fuel-air mixture in the ignition system. Pull it, tip it from top to bottom to check if you have a broken electrode. ~ Tom Waits. These high-performance plugs are designed specifically for use in Harley-Davidson engines, and they can help your bike run smoother and more efficiently. The next two years models have twin spark plugs to overcome this, an upgrade I have contemplated if ever I had to pull the head off. Screamin' Eagle has a dual-platinum coat, while the Gold has a gold-palladium coat to resist extreme erosion. This means that the tip of the plug will last longer before it wears down. APR is calculated according to the simple interest method. The Fora platform includes forum software by XenForo. HARLEY-DAVIDSON, HARLEY, H-D, and the Bar and Shield Logo are among the trademarks of H-D U.S.A., LLC. One wire better than another. (81.7 kg) operator weight. As such, its always best to consult with an experienced engine builder or tuner before making any changes to your ignition system. New condition. Finally, its important to think about what kind of driving you do most often. Thermal conductivity is "vital " to prevent pre ignition detonation. Im not sure what compression you would need them at but at 9.7:1 I wont need to change plugs. I never seen the worth of spending tons more for a spark plug. Limit one $75 USD / $100 CAD voucher per 2021 Pan America and Pan America Special motorcycle at authorized Harley-Davidson dealerships. How in the hell did your no speaking ass get to write articles about anything. I think the consensus generally is that best results are with stock wires , some will differ I'm sure .. For the Milwaukee 8s I don't think it really matters anymore, but for us twin cams, stock wires and plugs were best because of knock sensing strategy used for the bikes. 3. APR is calculated according to the simple interest method. M8's being dual plugged, the difference would probably be even less. To keep your engine kit safe, change to a colder spark plug. This promotes flame propagation. I recently purchased the bike and while doing basic maintenance youd expect from a 28 year old bike, I noticed she could use both new plugs/wires. It is single use only. Are Screamin Eagle Plugs Pre Gapped? I just want to treat the bike right and do what would be best for the Evo. Champion has given me reliability. Potential government incentives are identified for informational purposes only. APR is calculated according to the simple interest method. I have SE wires and no problems ever. Fill out the form below or call us on 1300 46 46 46. Art no. Company Details LIXIN INDUSTRIAL & TRADE CO.,Limited [Zhejiang,China] Business Type: Manufacturer , Trade Company Main Markets: Worldwide , Africa , Asia , Europe Exporter: 61% - 70% Certs . If you are buying a second-hand motorcycle, you should ask the seller the last time they changed the spark plug. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Both bikes are stock with no performance mods, but I generally change out the plugs with each fluid/filter change out. Come join the discussion about performance, builds, accessories, mods,specs, troubleshooting, maintenance, and more! The "V" trimmed ground electrode reduces shrouding of the flame front to promote flame propagation, and the fine wire center electrode enhances startups and ignitability. Therefore, an iridium spark plug can outdo a platinum spark plug. I found it does wonders for my cage performance so figured it would not be a bad idea to put a few ounces in the bike once in a while. http://s419.photobucket.com/albums/pp280/ford7379trucks/, http://www.harley-davidsonforums.cos-harley-davidson-spark-plugs.html#post536040. 6.89% APR offer is available only to high credit tier customers who have completed a Riding Academy, Skilled Riders, MSF or other state accredited course within 180 days of application date and only for up to a 60 month term. In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. XIX, No. 27. Values shown are nominal. The standard iridium IX race type 3 is designed for use in unmodified engines up to 750cc, while the Iridium XIX Race Type 4 is intended for use in larger displacement engines over 750cc .The double platinum power sports has fine wire center electrodes made with pure platinum providing better durability under high heat conditions . Whatever plugs it came with , use those, I use the stock plugs no issues ever. __CONFIG_colors_palette__{"active_palette":0,"config":{"colors":{"8aeb4":{"name":"Main Accent","parent":-1}},"gradients":[]},"palettes":[{"name":"Default","value":{"colors":{"8aeb4":{"val":"var(--tcb-skin-color-0)","hsl":{"h":52,"s":0.99,"l":0.5941,"a":1}}},"gradients":[]},"original":{"colors":{"8aeb4":{"val":"rgb(55, 179, 233)","hsl":{"h":198,"s":0.8,"l":0.56,"a":1}}},"gradients":[]}}]}__CONFIG_colors_palette__, __CONFIG_colors_palette__{"active_palette":0,"config":{"colors":{"f3080":{"name":"Main Accent","parent":-1},"f2bba":{"name":"Main Light 10","parent":"f3080"},"trewq":{"name":"Main Light 30","parent":"f3080"},"poiuy":{"name":"Main Light 80","parent":"f3080"},"f83d7":{"name":"Main Light 80","parent":"f3080"},"frty6":{"name":"Main Light 45","parent":"f3080"},"flktr":{"name":"Main Light 80","parent":"f3080"}},"gradients":[]},"palettes":[{"name":"Default","value":{"colors":{"f3080":{"val":"var(--tcb-skin-color-4)"},"f2bba":{"val":"rgba(11, 16, 19, 0.5)","hsl_parent_dependency":{"h":206,"l":0.06,"s":0.27}},"trewq":{"val":"rgba(11, 16, 19, 0.7)","hsl_parent_dependency":{"h":206,"l":0.06,"s":0.27}},"poiuy":{"val":"rgba(11, 16, 19, 0.35)","hsl_parent_dependency":{"h":206,"l":0.06,"s":0.27}},"f83d7":{"val":"rgba(11, 16, 19, 0.4)","hsl_parent_dependency":{"h":206,"l":0.06,"s":0.27}},"frty6":{"val":"rgba(11, 16, 19, 0.2)","hsl_parent_dependency":{"h":206,"l":0.06,"s":0.27}},"flktr":{"val":"rgba(11, 16, 19, 0.8)","hsl_parent_dependency":{"h":206,"l":0.06,"s":0.27}}},"gradients":[]},"original":{"colors":{"f3080":{"val":"rgb(23, 23, 22)","hsl":{"h":60,"s":0.02,"l":0.09}},"f2bba":{"val":"rgba(23, 23, 22, 0.5)","hsl_parent_dependency":{"h":60,"s":0.02,"l":0.09,"a":0.5}},"trewq":{"val":"rgba(23, 23, 22, 0.7)","hsl_parent_dependency":{"h":60,"s":0.02,"l":0.09,"a":0.7}},"poiuy":{"val":"rgba(23, 23, 22, 0.35)","hsl_parent_dependency":{"h":60,"s":0.02,"l":0.09,"a":0.35}},"f83d7":{"val":"rgba(23, 23, 22, 0.4)","hsl_parent_dependency":{"h":60,"s":0.02,"l":0.09,"a":0.4}},"frty6":{"val":"rgba(23, 23, 22, 0.2)","hsl_parent_dependency":{"h":60,"s":0.02,"l":0.09,"a":0.2}},"flktr":{"val":"rgba(23, 23, 22, 0.8)","hsl_parent_dependency":{"h":60,"s":0.02,"l":0.09,"a":0.8}}},"gradients":[]}}]}__CONFIG_colors_palette__, __CONFIG_colors_palette__{"active_palette":0,"config":{"colors":{"a0883":{"name":"Main Accent","parent":-1}},"gradients":[]},"palettes":[{"name":"Default","value":{"colors":{"a0883":{"val":"var(--tcb-skin-color-4)","hsl":{"h":206,"s":0.2727,"l":0.0647,"a":1}}},"gradients":[]},"original":{"colors":{"a0883":{"val":"rgb(55, 179, 233)","hsl":{"h":198,"s":0.8,"l":0.56,"a":1}}},"gradients":[]}}]}__CONFIG_colors_palette__. Not valid in conjunction with other offers. Glad things worked out for ya!!! NGKs OEM replacement spark plugs are available for a wide variety of makes and models, making them a great option if youre looking for an upgrade from your stock plug but dont want to spend extra money on a specialty plug. Dealer participation may vary. 27. On select Men's & Women's riding gear, seats, batteries and more. The strength of the spark and the timing of when it happens can have an effect on how well your engine runs. Void where prohibited or restricted by law. Well, Harley-Davidson company itself produces Screamin Eagle spark plugs. My 05 FLHTCI has been bored and upgraded to a 96 with Andrews cams, full dual and Rinehart slippons and a Dyno tuner piggy back on the ignition system. Fits 00-'17 Softail models (except FXCW, FXCWC, FXS and 13-16 FXSB models).