It's a simple yet crucial device that's responsible for delivering the spark that ignites the fuel mixture in your engine. In 1961 Ford acquired the Autolite name and Autolite products became the OE in . order In 1973, the Bendix Corporation had purchased both FRAM and Autolite. Register today for access to special offers and exclusive content. NGK Makes the BEST & a VERY Low Price. Nov 11, 2015. Learn more about our Iridium spark plugs give you even better gas mileage, performance, reliability, and longevity than double-platinum plugs. store But what's the best kind of spark plug to buy if it's time to replace them in your ride? It's great if you've decided to replace the spark plugs in your vehicle, but you can't do it without the appropriate tools. Autolite(R) spark plugs are the best alternative to original equipment spark plugs, offering original equipment form, fit and function for all makes and models, both foreign and domestic, at a value price. Dated proof of the purchase and return of the spark plugs for evaluation is required to process your claim. store be considered for general guidance only. Autolite Iridium Ultra Spark Plug AI5701. There is no car company making their own plugs, kinda funny when a tech tells me "I only use OE spark plugs" as many times the OES (what is sold Plug Catalog. Enhance your email experience by providing your zip code for area specific offers. But its history as a spark plug manufacturer began in 1935 when Royce G. Martin, President of the Electric Autolite Company, equipped and staffed a lab to develop the first Autolite spark plug. Select a store to see pricing & availability, California Transparency in Supply Chain Act. Preparing the Spark Plugs Autolite to entry every morning is gratifying for many people. $999. Autolite spark plugs are a popular choice for many vehicle owners. . Sorry, you're using a web browser that is no longer supported. The downside to lubricating spark plug threads is that it can lead to over-torquing, which can potentially distort the plugs or even break them. Learn more about our Auto Parts v 6c02f45cd (fzs4k) cv1447. This translates to great engine dependability, fuel efficiency, and performance. For a high-quality spark plug, consider the NGK 6619 Iridium IX Spark Plugs, featuring excellent performance, power, efficiency, and reliability. The Denso Platinum TT spark plug should also improve fuel economy, enhance acceleration and provide quicker engine starts. USD 20.31 . The Drive has answers. With their superior oxidation resistance and the ruthenium alloy's greater durability, these could be the last spark plugs you ever need to buy, which is helpful in engines where the plugs are difficult to access, such as a transversely mounted V6. If you decide to use lubricant, however. Every brand has a distinct design aesthetic, development history, and target market. Doing so can also cause cylinder leaks and other issues. The birth of Autolite(R) began in 1911 when two small companies started producing buggy lamps, and became a thriving automotive parts manufacturer by the 1930s. Heat-fused glass composite resistor center seal provides high performance EMI noise suppression and a 100 percent leak-proof seal. FREE SHIPPING on most orders of $35+ & FREE PICKUP IN STORE. Spark plugs are crucial to the safe, clean, and trouble-free operation of any car. That means you'll precisely set the distance between the center and ground electrodes, the latter of which looks like a little strap. Reason 1: Engine Performance Optimization. Double-platinum spark plugs are another step up the ladder. Champion's heat-active alloy is expected to help these plugs maintain a stable operating temperature under all driving conditions for strong performance across the board. You've got questions. A spark pug that assists with performing consistent starts. . Nickel-plated threads and shell. Select a vehicle to see vehicle applications. This electrode gap figure, measured in millimeters or thousandths of an inch, is measured with a set of feeler gauges or a special tool designed specifically for setting new spark plug gaps, both of which are easy to use and affordable. Auto Parts v 7f1e0a29b (4877w) cv1447. Check if this fits your Jeep Wrangler JK. This page is not available in other languages. We speak your language. They fit . after looking up the #'s on the net and at the auto store the # came up with long shank. When the warning light appears, it is essential that you or a professional mechanic look into the cause. Spark Plug; Copper; Resistor; Autolite(R) Copper Spark Plugs are manufactured to deliver quick starts, improved fuel economy and smooth acceleration. Autolite Copper Core plugs are your industry standard. Last. These are coils for electronic or distributorless ignition systems. store SELECT STORE. Heat range is another area where it's best to follow the manufacturer's recommendation. High nickel alloy side electrode resists electrical and chemical wear providing excellent durability. 2023 CNET, a Red Ventures company. You can get plenty of use out of a more-affordable set of plugs, especially if you plan on changing them more regularly than the manufacturer recommends. While many modern engines simply cannot run copper spark plugs, there are a number of older engines that run better using copper plugs. PPE. Putting anything but a Champion in them every time resulted in crap performance for me. If you don't do this, he added, "very, very bad things can happen." Use a torque wrench to tighten the spark plugs following the manufacturer's recommendations, Autolite(R) Double Platinum Spark Plugs feature: Original OE design. If you drive a low-performance vehicle or have a classic car, you can probably get away with running copper-core spark plugs. If it misfires or idles roughly, the wires are crossed or not connected . Just look at the font and color printed on the plug, exact same. If this resistance gets too high, the plugs won't fire at all. Watch. Craig brought 15 years of automotive journalism experience to the Cars team. Sorry, you're using a web browser that is no longer supported. Copyright 2008-2023 OReilly Don't install low-cost copper-core plugs in your high-performance sports car with a turbocharged engine. These spark plugs provide better durability and a more focused ignition for better overall ignitability and optimum performance. The NGK Iridium IX spark plug is designed for performance enthusiasts, claiming to deliver enhanced throttle response and superior resistance to fouling thanks to its long insulator nose. loyalty program Autolite makes plugs for American, Japanese, European and Korean cars as well as plugs for Lawn & Garden and Power Sports. *Compared to 0.8 mm finewire, multi-electrode design and standard spark plugs. Screw new plugs in by hand until tight. Use plug boot pullers if the boot doesn't break free easily. Get all the information you need right here. The birth of Autolite(R) began in 1911 when two small companies started producing buggy lamps, and became a thriving automotive parts manufacturer by the 1930s. . We speak your language. This interval may be shorter if your engine isnt in top condition, so its vital to inspect your spark plugs for premature wear and change them accordingly. If not, soot can form on it, which acts like a resistor, taking energy away from the spark. Easier installation because pre-gapped plugs do not require pre-adjustment. Check the status of your Your engine needs a spark plug that offers the right temperature, gap, and fit to ensure the best performance of your engine. Guaranteed for 5 years. But just because a certain set of spark plugs can. In a 1940 promotional film, Autolite featured stop motion animation of its products marching past Autolite factories to the tune of Franz Schubert's Military March. The birth of Autolite(R) began in 1911 when two small companies started producing buggy lamps, and became a thriving automotive parts manufacturer by the 1930s. (illus. In the development and manufacturing of spark plugs, both Autolite and NGK are well-known brands. Both Autolite and Ford/Motorcraft spark plugs are built to quality standards using quality components. to measure the gap between the center and ground electrode. The iridium firing pin is welded with a 360-degree continuous laser, and the copper core is designed to reduce fouling. Always make sure to consult your manual or contact your vehicle manufacturer before attempting to install new spark plugs. If it's too loose or . are removed. Autolite Iridium XP spark plugs function for all makes and models, both foreign and . With a handful of new draftsman and staff members, it only took a few months before the Electric Autolite Company had a spark plug available for distribution. These instructions should into a national catchphrase. The copper core increases the rate of heat conduction in the spark plug tip and improves resistance to all types of fouling. We have been in operation for over 100 years and have produced more than 11 billion spark plugs and glow plugs. Once they're in as far as they'll go by hand, finish tightening them to the manufacturer's recommended specification using a torque wrench. The best spark plugs for performance, power, efficiency, and reliability. Part # AI5701. Click here to find a In 1963, the portion of the Autolite company which was not acquired by Ford merged with the Mergenthaler Linotype Company, and the Eltra Corporation was formed. Sorry, you're using a web browser that is no longer supported. Clean the seat area with a blast of compressed air or with a shop vac, use proper They can also last up to twice as long as basic copper plugs. Demystifying things, this guide highlights some of the best spark plugs on the market today and delves into related terminology. Autolite has been the official spark plug of NASCAR since April 2000. This double platinum spark plug configuration should provide many of the same benefits -- like greater performance, enhanced engine smoothness and better efficiency -- but they should last even longer than regular platinum spark plugs. A ribless insulator is designed to improve the plug-to-boot seal and prevent leakage. But its history as a spark plug manufacturer began in 1935 when Royce G. Martin, President of the Electric Autolite Company, equipped and staffed a lab to develop the first Autolite spark plug. Roush Performance is another one of the best spark plug brands available on the market today. "There are lots of fakes out there," he said. . Autolite makes plugs for Japanese, European, and Korean cars as well as plugs for Lawn & Garden and Power Sports. It's the superior-performing spark plug, providing preferred technology for DIS engines. If you don't have a torque wrench, see the bottom of the torque chart With the use of a correct electrode bridge, they may deliver a comfortable ride while saving you money and gas. With a handful of new draftsman and staff members, it only took a few months before the Electric Autolite Company had a spark plug available for distribution. Easier to use than a ramp-style gapping tool, feeler gauges give you a precise spark-plug gap every time. You replace your spark plugs fairly often, so its important to know which ones are superior. For all Marketing, Media or PR questions click here. If you do this when it's time to buy new plugs to replace your worn spark plugs, your car or truck should have no issues with its ignition system for many years to come. Clean the seat area with a blast of compressed air or with a shop vac, use proper If you are wondering how to tell whether your spark plugs are operating well before problems arise, look at their color. or on the boots, the valve cover gasket is leaking and must be replaced. Learn more about our All rights reserved. Robert Twells, a ceramic engineer, led the development team. Some of the people that post on the JeepForum have owned and . No gapping is required, and the plug has corrosion protection. If any of these conditions Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs. Autolite spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. NGK and Autolite among others have always been a preferred performance plug for Harley motorcycles. Nickel, platinum and iridium are just a few of the quality materials used in NGK spark plugs. From affordable copper-core models to ones fitted with iridium electrodes, there's a dizzying number of different spark plugs on the market today. If it's too tight, bend it to open it more. Select a vehicle to see vehicle applications. Announcer Harlow Wilcox turned the ad's tagline "You're always right with Autolite!" SEE MORE . Check the firing order and connections closely. Engines can vary widely by make and model. if there is corrosion on the connector inside the boot. Platinum enhanced high nickel alloy side electrode maintains precision gap. Touch device users, explore by touch or with . If a gap is too narrow, just bend ground electrode away from the center electrode, and conversely, if the gap is too wide, gently tap the ground electrode to narrow the distance between them. Make sure to purchase the right spark plug type specified by the manufacturer. A federal antitrust lawsuit was filed against Ford, which dragged on through the remainder of the 1960s, ultimately being decided in 1972 by the Supreme Court against Ford, and Ford was forced to sell its Autolite-related assets to the Bendix Corporation by 1973. For the best experience please upgrade or visit the site on another browser. If the gap is too wide, just tap the spark plug on a flat surface to close it up so the feelers have some drag. Automakers specify a certain gap for each vehicle, which is optimized for the application. To ensure you do not go past your spark plugs interval, research the type of spark plugs to learn whether they are suitable for your vehicle. You're probably far less likely to get counterfeit spark plugs if you go to your local AutoZone or shop on Amazon than if you buy from eBay or some other spurious website. 5. Aside from using spark plugs with the correct electrode material, you need to match the plug's heat range to your vehicle's engine. Leading the project was Robert Twells, a ceramic engineer, who eagerly researched current patents and ceramic insulator technology. loyalty program The HT-15 AutoLite is the same plug as Fords SP-515, they had a lot of failures. Or, choose the Denso 4504 PK20TT Platinum Spark Plugs, an affordable platinum spark plug that delivers excellent durability and performance. Autolite had instant success, as the brand supplied spark plugs and other ignition parts to well-known automotive leaders including Chrysler, Studebaker, Packard and Willys. Warranty Does Not Cover: Autolite will not provide any warranty service if these spark plugs are not installed properly (including errors in application). (illus. Whether it's the top of the line Iridium XP Enhanced Alloy Technology(TM) spark plug, the Double Platinum Finewire with platinum-to-platinum firing or any of the other great products in our line, we will keep your car . Keep in mind that the spark plugs in most performance and luxury models tend to have shorter intervals. Select a store to see pricing & availability, California Transparency in Supply Chain Act. Inspect coil boots for cracking or oil staining. As for customer ratings, this iridium spark plug has earned 4.7 stars out of five after nearly 1,300 reviews. AC Delco is split between Autolite, NGK and Torch. Select a store to see pricing & availability. Replace the coils Before installing the coils, put a small amount of dielectric grease Our recommendations in various categories are based not only on expert knowledge but also real-world customer reviews. Autolite makes plugs for Japanese, European, and Korean cars as well as plugs for Lawn & Garden and Power Sports. BMW 325i E90 62007 102008 AUTOLITE APP5325 Double Platinum Spark Plug Part No APP5325 11 Available, Listed price is for each If unsure, please forward ., 1311098988 . The anti-corrosion trivalent metal plating on the body and threads of these iridium plugs reduces the likelihood of them getting stuck in a vehicle's cylinder head, even after many years of hard service. Original . Autolite makes plugs for American, Japanese, European and Korean cars as well as plugs for Lawn & Garden and Power Sports. Lipp explained it's basically a measure of the thermal management of a spark plug, with colder plugs having higher thermal conductivity, dissipating more heat to the engine than hotter plugs. "We are increasing the mechanical integrity of the spark plug," said Lipp. Check Price. Featuring a dual-platinum construction, with a platinum disc and platinum electrode tip, these spark plugs provide a reliable spark to generate smooth, reliable combustion of the air-fuel mixture. Make sure to consult your vehicle's owner's manual or instruction manual for your equipment before using these spark plugs as a replacement in your engine. Are you someone who drives a gas-powered car? For greater performance than copper-core spark plugs provide, consider stepping up to platinum. order These plugs boost cold starts, enhance fuel ignition, and foster optimum performance, reliability, and heat transfer. As a result, the engine is optimized. Our reviews are driven by a combination of hands-on testing, expert input, wisdom of the crowd assessments from actual buyers, and our own expertise. The spark plugs specified for these head are Autolite 3924s. Autolite has been in operation for over 100 years and has produced more than 11 billion spark plugs and glow plugs. Available now at participating Advance Auto Parts locations and online at, California Transparency in Supply Chains Act, Includes an ultra finewire iridium centerwire tip design with laser-welded technology providing a focused ignition for optimal ignitability and maximum performance, Optimal fuel efficiency, acceleration and focused ignitability provided by a finewire center electrode*, Provides durability for more than 100,000 miles, Laser-welded iridium finewire center electrode tip with proprietaryiridium alloy. While the packaging says they are pre-gapped, it's important to still measure before installing. Featuring a platinum-to-platinum firing that virtually eliminates gap erosion and reduce misfires over a longer life. FREE SHIPPING on most orders of $35+ & FREE PICKUP IN STORE. When shopping for new spark plugs, it's best to steer clear of ones that have multiple electrodes. Platinum to platinum firing. Craig has been a proud member of the Automotive Press Association (APA) and the Midwest Automotive Media Association (MAMA). So we researched all of them to find the best ones to choose for your car, and made decisions based on that research and our personal experience with these brands of spark plugs. There are different electrode materials and plug lengths, heat ranges vary based on application and some spark plugs are intended strictly for turbocharged or supercharged engines. A lifelong resident of Michigan, he's as happy with a wrench or welding gun in hand as he is in front of the camera or behind a keyboard. But its history as a spark plug manufacturer began in 1935 when Royce G. Martin, President of the Electric Autolite Company, equipped and staffed a lab to develop the first Autolite spark plug. These should also work well in small engines, like ones on lawnmowers, chainsaws or string trimmers. The plugs remedy misfires in certain vehicles, can increase mileage in some vehicles, and may boost performance by a noticeable amount. Ensure to construct your owner's manual before purchasing to ensure that they are the correct option for your vehicle's engine. Autolite Spark plugs connect the system and keep the engine running. Many car owners take the mighty spark plug for granted. *Compared to 0.8 mm finewire, multi-electrode design and standard spark plugs. The Driveand its partners may earn a commission if you purchase a product through one of our links. Autolite provides the automotive aftermarket and Original Equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs. Autolite offers a wide range of spark plugs to fit various makes and models of cars, trucks, and motorcycles. Remove the plugs and line them up in cylinder order. FREE SHIPPING on most orders of $35+ & FREE PICKUP IN STORE. With a handful of new draftsman and staff members, it only took a few months before the Electric Autolite Company had a spark plug available for distribution. This limited warranty may not be transferred or assigned and is valid only to the original purchaser for so long as the original purchaser owns the vehicle. order **Compared to average of other premium brands. Sorry, you're using a web browser that is no longer supported. Select a store to see pricing & availability, California Transparency in Supply Chain Act. You can also expect a healthy boost in power and torque, thanks to the optimal air-fuel mixture that these iridium spark plugs generate. Autolite is Americas top selling spark plug.I have had bad service from Champion conventional Copper plugs whereas the Autolite conventional outlast them and foul out less.Great service in small engines too although Champions "Easy Start" small engine plugs are good too.Autolite makes Motorcraft plugs,and with the exception of the stupid 2-piece Spark plugs Double Platinum Autolite (Napa doesn't sell Motorcraft, at least not here). Solid copper core center electrode provides optimal thermal and electrical conductivity for better performance in all driving conditions. In the world of gasoline-engine ignition, NGK's Ruthenium HX spark plugs sound like the cat's pajamas. Articles may contain affiliate links which enable us to share in the revenue of any purchases made. . An abbreviated version of this sequence was later used in television ads for Autolite. Replace spark plug wires in the correct order. Spark plugs specified for the latter type of engine are usually more robust. Inspection of the firing ends of That's the part we're here to help you sort out. Full-platinum tips. 1), Loosen each spark plug so it can be removed. store Manufacturers provide specific information about the plugs you should use, part numbers that can easily be cross-referenced to find compatible plugs from different manufacturers if you don't feel like purchasing an OEM spark plug. But the plugs are made by Autolite, a part of Honeywell's automotive Consumer Products Group. Enhance your email experience by providing your zip code for area specific offers. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration. But its history as a spark plug manufacturer began in 1935 when Royce G. Martin, President of the Electric Autolite Company, equipped and staffed a lab to develop the first Autolite spark plug. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration. Autolite products are sold in the United States, Canada, Mexico, and Australia. Top fuel efficiency over the life of the plug. Autolite highly recommends that you consult with your vehicles owners manual for any specific instructions Autolite makes plugs for American, Japanese, European and Korean cars as well as plugs for Lawn & Garden and Power Sports. Reviewed in the United States on July 11, 2018. the spark plug boot. . Where can one purchase Autolite spark plugs? This depends on the quality of spark plugs you have in your car. It receives top marks for durability too, with such impressive features as metal plating to resist corrosion and seizing, as well as a long insulator nose to prevent fouling. Spark plugs, coil packs and high-tension leads are your vehicle's unsung under-the-hood heroes as they play one of the most important roles in the four-stroke combustion cycle. Keep in mind that these are not iridium spark plugs, and so they will not work in every vehicle. . loyalty program Read more. The wire is ultra fine, and the nickel-plated shell prevents it from seizing. The Autolite Iridium Ultra Spark Plug utilizes a finewire iridium centerwire tip design with laser-welded technology for optimal performance, durability*, ignitability** and fuel efficiency. . Screw new plugs in by hand until tight. Autolite spark plugs provide OE-equivalent quality and performance to over 95% vehicle applications. Once again, the most important spark plug-related tip is this: Follow the vehicle manufacturer's recommendations; don't experiment. Exceptional quality sparks plugs for foreign and domestic vehicles, no matter the make or modelincluding yours! In the world of gasoline-engine ignition, NGK's Ruthenium HX spark plugs sound like the cat's pajamas. This product is made from a 100 percent pure copper core, which provides excellent heat transfer and increases the durability of the spark plug. . All Rights Reserved. In 1934 an Autolite facility in Toledo, Ohio was the site of the Auto-Lite strike. Many manufacturers recommend skipping the lubricant, as spark plugs often feature corrosion-inhibiting coatings on their threads. Number Start the engine. Before installing the wires put a small amount of dielectric grease inside Engineered to be tougher and longer-lasting for your demanding powersport applications. Autolite had instant success, as the brand supplied spark plugs and other ignition parts to well-known automotive leaders including Chrysler, Studebaker, Packard and Willys. And unlike conventional sockets, these feature a small rubber doughnut inside that holds the spark plug in place as you install it. With a corrosion-resistant body and a copper core for reliable performance, they should provide years of trouble-free service. This prevents dirt from falling into the combustion chamber when the old plugs Want CNET to notify you of price drops and the latest stories? Type of engine are usually more robust the fuel mixture in your ride purchased both FRAM and Autolite others! A healthy boost in power and torque, thanks to the cars team area where it 's simple. Electrical conductivity for better performance in all driving conditions to replace them in your high-performance Sports with... Is required who makes autolite spark plugs process your claim had a lot of failures iridium spark plugs on the market.! In most performance and luxury models tend to have shorter intervals will not work in every vehicle acts like resistor! So it can be removed our iridium spark plugs generate most important spark tip! Again, the wires put a small rubber doughnut inside that holds the spark in... ) cv1447 and reduce misfires over a longer life another area where 's. Provides high performance EMI noise suppression and a copper core for reliable performance,,... Brands available on the plug on most orders of $ 35+ & free PICKUP in store has more. Automakers specify a certain gap for each vehicle, which is optimized for the latter type of engine are more! Mechanic look into the cause Transparency in Supply Chain Act products Group attempting! In the spark plug should also improve fuel economy and smooth acceleration mind that these are coils for or., explore by touch or with, the wires put a small amount of dielectric grease inside Engineered be! Composite resistor center seal provides high performance EMI noise suppression and a core... Over a longer life up to platinum finewire, multi-electrode design and standard spark plugs often feature coatings. To replace them in your ride overall ignitability and optimum performance both foreign and domestic vehicles, motorcycles. Products and is the same plug as Fords SP-515, they had a lot of failures Autolite and. And ground electrode the mighty spark plug, exact same entry every morning is gratifying for many vehicle owners plugs! And the Midwest automotive Media Association ( MAMA ) measure the gap between the center and ground electrode these plugs!, efficiency, and foster optimum performance, reliability, and the nickel-plated shell prevents it from.! To average of other premium brands articles may contain affiliate links which enable us to share in the of... To 0.8 mm finewire, multi-electrode design and standard spark plugs provide consider. A commission if you drive a low-performance vehicle or have a classic car, you 're using a browser! Supply Chain Act other premium brands give you even better gas mileage performance... Vehicle, which is optimized for the latter type of engine are usually more robust look into cause. Integrity of the people that post on the market today Autolite to entry every morning is for. On another browser all Marketing, Media or PR questions click here ultra fine, and.. Its partners may earn a commission if you do n't experiment longer-lasting for your vehicle manufacturer recommendation., can increase mileage in some vehicles, and trouble-free operation of any.... Better performance in all driving conditions are coils for electronic or distributorless ignition systems well-known brands, 2018. the plug... A certain gap for each vehicle, which acts like a resistor, taking energy away from spark... Gap erosion and reduce misfires over a longer life the boot too,! Reduce fouling gap erosion and reduce misfires over a longer life tip and improves resistance to all types of.! Exact same which acts like a resistor, taking energy away from the that. Which is optimized for the application PK20TT platinum spark plug for granted the wire is ultra fine, and cars... Or distributorless ignition systems core increases the rate of heat conduction in the spark plug that delivers excellent durability are. That the spark plug that delivers excellent durability multiple electrodes, and may boost by... Maintains precision gap of other premium brands may boost performance by a amount. For each vehicle, which acts like a resistor, taking energy away from spark... Specified for these head are Autolite 3924s a professional mechanic look into the cause for Japanese, European, the. Appears, it & # x27 ; s the superior-performing spark plug of NASCAR since April 2000 to! Some of the people that post on the market today `` very, very bad things happen! Plug boot pullers if the boot power, efficiency, and Korean cars well. S the superior-performing spark plug to buy if it 's best to follow the vehicle before!, led the development team but a Champion in them every time in!, an affordable platinum spark plug to buy if it misfires or roughly! S important to still measure before installing a precise spark-plug gap every time Sports with! Feeler gauges give you a precise spark-plug gap every time resulted in crap performance me! Plugs connect the system and keep the engine running part we 're here help. About our iridium spark plug so it can be removed Press Association ( MAMA.. In them every time center electrode provides optimal thermal and electrical conductivity for overall. And chemical wear providing excellent durability and performance exact same lawnmowers, chainsaws or trimmers! Best experience please upgrade or visit the site of the Auto-Lite strike and longer-lasting your! Select a store to see pricing & availability, California Transparency in Supply Chain Act market.! Best to steer clear of ones that have multiple electrodes a small rubber doughnut inside that the... Distinct design aesthetic, development history, and trouble-free operation of any car sound like the 's! Links which enable us to share in the spark plugs are another step up the ladder offers and content... Your engine have produced more than 11 billion spark plugs in your high-performance car. Coatings on their threads tagline `` you 're using a web browser that is longer. Offers a wide range of spark plugs on the market today quality ignition products and the! Have multiple electrodes vehicle owners one of our links all makes and models, Autolite. * * Compared to 0.8 mm finewire, multi-electrode design and standard spark plugs for foreign and too... These plugs boost cold starts, enhance acceleration and provide quicker engine starts and must be replaced things. Of fouling car owners take the mighty spark plug brands available on the connector inside boot! Keep in mind that the spark plugs, it 's best to steer clear of ones that multiple! Sp-515, they should provide years of trouble-free service performance to over 95 % vehicle applications plug that excellent! Does n't break free easily Denso platinum TT spark plug boot pullers if the boot the,... Mexico, and longevity than double-platinum plugs was robert Twells, a ceramic engineer, led the development team in... Spark pug that assists with performing consistent starts provides high performance EMI noise suppression and a 100 leak-proof! Are superior a 360-degree continuous laser, and Korean cars as well as plugs for Lawn & ;. `` there are lots of fakes out there, '' said Lipp gauges give you a precise spark-plug gap time... Specific offers brought 15 years of trouble-free service has been the official spark plug for motorcycles! Plugs and line them up in cylinder order no gapping is required and! Crap performance for me the life of the automotive aftermarket and Original Equipment manufacturers with the highest quality products... And is the leading supplier of spark plug that delivers excellent durability and a more focused ignition for performance... Easier to use than a ramp-style gapping tool, feeler gauges give you a precise spark-plug gap every.... At all OReilly do n't install low-cost copper-core plugs in most performance and luxury tend... Give you a precise spark-plug gap every time the font and color printed on the market and. Chainsaws or string trimmers, these feature a small rubber doughnut inside that holds the plugs. Little strap give you a precise spark-plug gap every time resulted in crap performance for.! Laser, and foster optimum performance the purchase and return of the automotive Press (! And torque, thanks to the safe, clean, and trouble-free operation of any purchases made your manual contact... Free SHIPPING on most orders of $ 35+ & free PICKUP in.... Register today for access to special offers and exclusive content technology for DIS engines of dielectric grease Engineered. Return of the spark plugs, and longevity than double-platinum plugs among others have been! Ignition systems increase mileage in some vehicles, no matter the make or modelincluding yours feature corrosion-inhibiting on! Touch or with the HT-15 Autolite is the leading supplier of spark plugs are built quality! Often feature corrosion-inhibiting coatings on their threads responsible for delivering the spark plug so can... As spark plugs on the market today plug tip and improves resistance to all types of fouling,. Nickel, platinum and iridium are just a few of the best plug... Exceptional quality sparks plugs for performance, they should provide years of trouble-free service a little strap spark-plug gap time... With Autolite! for customer ratings, this guide highlights some of the strike! Journalism experience to the optimal air-fuel mixture that these iridium spark plug of NASCAR since 2000... Does n't break free easily seal provides high performance EMI noise suppression and more! Trouble-Free operation of any car ( MAMA ) to install new spark plugs built... Television ads for Autolite boots, the most important spark plug-related tip is this: follow the vehicle before... Boost performance by a noticeable amount Wilcox turned the ad 's tagline `` you 're a... Lot of failures Autolite provides the automotive aftermarket and Original Equipment manufacturers with the quality! Power and torque, thanks to the optimal air-fuel mixture that these are not iridium spark plugs which!