"You do not want to downgrade it," said Berry, not unless you want to risk engine damage. Learn more about our 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. . The HT-15 AutoLite is the same plug as Fords SP-515, they had a lot of failures. Autolite Spark plugs connect the system and keep the engine running. through snugly but easily. Autolite Spark Plugs' Post Autolite Spark Plugs 1,090 followers 11h In addition to an organizer, it includes a 14-mm and an 18-mm socket, as well as 5/8, 3/4 and 13/16 on the imperial scale. 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. The copper included in the center electrode allows for an increase in conductivity and heat control than your average, everyday spark plug. Unplug and remove ignition coils. Plugs incorporating this precious metal should last longer and deliver more spark energy to each cylinder. For a high-quality spark plug, consider the NGK 6619 Iridium IX Spark Plugs, featuring excellent performance, power, efficiency, and reliability. for changing the spark plugs. Nickel, platinum and iridium are just a few of the quality materials used in NGK spark plugs. Select a store to see pricing & availability. Robert Twells, a ceramic engineer, led the development team. These should also work well in small engines, like ones on lawnmowers, chainsaws or string trimmers. Engines can vary widely by make and model. Most mechanics recommend you change your copper core spark plugs every 30,000 miles or every 50,000 miles for iridium core spark plugs. Original . So our MC plugs were made by autolite anyway, in fact from the same facility. The gauge should pass The best spark plugs on the market boast an iridium construction. Designed to last for the long haul in today's fuel-efficient, high-output engines, these. 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. The Jeep 4.0 L has always run best when Champion spark plugs are used. Autolite provides the automotive aftermarket and Original Equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs. NGK 6619 Iridium IX Spark Plugs snagged the top pick in our spark plug comparison because they offered the best mix of high-performance, fuel efficiency, durability, and dependability. 2), Remove the plugs and line them up in cylinder order. Once again, the most important spark plug-related tip is this: Follow the vehicle manufacturer's recommendations; don't experiment. Pinterest. . In addition to vehicle engines, this spark plug can be used in lawn and garden applications and smaller engines. Due to the advanced material and innovative technology integrated into iridium spark plugs, these plugs are priced higher than copper and platinum options. Replaces the following: Autolite 3923, Autolite 63, Bosch WR7DC, Bosch WR7DS, CHAMPION RN9YC, NGK BPR6ES, Nippondenso W20EPR, Nippondenso W20EPRU, Nippondenso W20ETRS, Torch F6RTC, Torch F7RTC. Auto Parts v 7f1e0a29b (4877w) cv1447. 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. In 1936 the first spark plug was produced at their Fostoria, Ohio plant. If you are wondering how to tell whether your spark plugs are operating well before problems arise, look at their color. These Denso spark plugs are a great value, and they're highly regarded, having earned a 4.6-star rating after nearly 1,000 customer reviews. Usually, when the spark plug is a light tan or gray color, that should tell you that it is running at optimum temperature. 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. . . Autolite Iridium XP spark plugs function for all makes and . 63 replacement spark plugs found for Champion RJ19LM. Designed to last for the long haul in today's fuel-efficient, high-output engines, these plugs promise maximum durability and service life in turbo and direct-injected applications. They have a motor gasket and terminal nut attached to them with overall better durability. Autolite makes plugs for American, Japanese, European and Korean cars as well as plugs for Lawn & Garden and Power Sports. 2023 CNET, a Red Ventures company. Free In-Store or Curbside Pick Up. Feb 17, 2023 - PERTRONIX IGNITOR KIT FOR ORIGINAL AUTOLITE DISTRIBUTORS. after looking up the #'s on the net and at the auto store the # came up with long shank. The Denso Platinum TT spark plug should also improve fuel economy, enhance acceleration and provide quicker engine starts. 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. Spark Plug; Copper; Resistor; Autolite(R) Copper Spark Plugs are manufactured to deliver quick starts, improved fuel economy and smooth acceleration. Make sure to purchase the right spark plug type specified by the manufacturer. A spark pug that assists with performing consistent starts. No gapping is required, and the plug has corrosion protection. High alumina multi-rib insulator helps prevent flash-over which can lead to misfires. Until 2011, the Autolite brand was a part of Honeywell's automotive Consumer Products Group, along with FRAM and Prestone. Summit Racing's Engine Preluber/Fluid Transfer unit makes the job easier than ever. There's some debate as to whether you should apply anti-seize (or different lubricants) to the threads when installing plugs. Super conductive yttrium enhanced ground electrode provides superior heat transfer. Find an Automotive Service Professional The purified alumina powder insulator is designed to withstand extreme stress and deliver excellent dielectric strength and thermal conductivity. If it misfires or idles roughly, the wires are crossed or not connected to the plugs correctly. 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 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. Leading the project was Robert Twells, a ceramic engineer, who eagerly researched current patents and ceramic insulator technology. Leading the project was Robert Twells, a ceramic engineer, who eagerly researched current patents and ceramic insulator technology. (illus. TYPICALLY FOUND IN MB UNIMOG MILITARY VEHICLES. If you buy through our links, we may get a commission. However, there are nevertheless many people who moreover don't later than reading. 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. $999. . Click here to find a If you buy through our links, we may get a commission. While you may not notice a change in mileage when you install them, you may see a boost in performance. The aftermarket manufacturers use this longer thread spark plug because the greater length reduces the load on the threads, which improves durability. Select a store to see pricing & availability, California Transparency in Supply Chain Act. 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. Loosen each spark plug so it can be removed. order . If you drive a low-performance vehicle or have a classic car, you can probably get away with running copper-core spark plugs. Many manufacturers recommend skipping the lubricant, as spark plugs often feature corrosion-inhibiting coatings on their threads. This design features a platinum-tipped center electrode, which fires against a titanium-enhanced ground strap. 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. An abbreviated version of this sequence was later used in television ads for Autolite. Reason 1: Engine Performance Optimization. Check Price. Carefully remove the spark plug wires. Find an Automotive Service Professional Nickel-plated threads and shell. This depends on the quality of spark plugs you have in your car. Without them, there's nothing to ignite the air-fuel mixture in each cylinder. Replace the coils Before installing the coils, put a small amount of dielectric grease This item: NGK # 5019 G-Power Spark Plugs -- LTR5GP -- 4 PCS * NEW * by NGK. Has there ever been a time when you've thought about your car's ignition system? To boost cold starts and enhance fuel ignition, these spark plugs feature a nickel chromium ground electrode. Select a store to see pricing & availability, California Transparency in Supply Chain Act. . Ford sold Autolite to Honeywell when they began manufacuring the Motocraft brand. Spark plugs Double Platinum Autolite (Napa doesn't sell Motorcraft, at least not here). Click here to find a . The quality of ngk is better, but I have one car that just likes autolites better, same gap & heat range. Reviews ethics statement. Today. For all Marketing, Media or PR questions click here. It is important for you to know the owners, manufacturers, and the quality of Motorcraft spark plugs so that you can buy them with confidence and compare them with other similar products for . for hand tightening recommendations. are present, the spark plug boots should be replaced. Want CNET to notify you of price drops and the latest stories? 2022Recurrent Ventures. For better fuel economy and overall improved vehicle performance, this pack of four double platinum spark plugs from Autolite is perfect for most Ford cars, among other manufacturers. Movin' right along, iridium-tipped spark plugs should provide even greater performance and longevity than double-platinum plugs, since this silvery transition metal has a high melting point. **Compared to average of other premium brands. are removed. . Verified Purchase. . Platinum is one of the most durable metals used in spark plug tips today. order Both Autolite and Ford/Motorcraft spark plugs are built to quality standards using quality components. 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. near you If they say nothing about it and you can't find anything about it after a 20-minute search on their website, chances are it's made by 8-year-olds . Want to get detailed and technical? A7tc spark plug Replaces: A7TC, C7HSA,CR7HSA, Autolite 2795, Bosch UR3AS & Z9Y ;Diameter Thread: 0.39inch / 10mm. NGK BPR6ES Spark Plug Turfmaster p/n: PLBPR6ESX Description: Spark Plug. order In 1980, the Eltra Corporation was acquired by Allied Signal Corporation which was itself acquired by Honeywell in 1999. too tight, reset the gap. 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, deceptively simple, important. The Driveand its partners may earn a commission if you purchase a product through one of our links. 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 The nickel-plated shell provides anti-seize and corrosion protection. be considered for general guidance only. RACING . Another impressive feature is purified alumina powder, which is used as an insulator to increase thermal conductivity for maximum longevity. platinum on both the center and side electrodes to promote reduced gap wear. Keep in mind that these are not iridium spark plugs, and so they will not work in every vehicle. Right out of the box, spark plugs will often be gapped close to what they need to be, but you should always double-check this as the ground electrodes can get bent during shipping and handling, closing the gap up. In 2011, Honeywell sold its automotive Consumer Products Group to Rank Group, which introduced FRAM Group and several other companies to take over the operations and the transfer of ownership of the acquired trademarks. Want to get detailed and technical? When autocomplete results are available use up and down arrows to review and enter to select. This page is not available in other languages. This CTA Tools ramp-style spark-plug gapper is easy to use and affordable. Who makes autolite spark plugs? Need help? One downside is that it is not an ideal option for many new vehicles and newer engines. Inspect coil boots for cracking or oil staining. These plugs are very durable and have a long lifespan. Leading the project was Robert Twells, a ceramic engineer, who eagerly researched current patents and ceramic insulator technology. Icing on the cake, these copper plugs are also highly rated, having received 4.8 stars out of five after more than 3,750 customer reviews. They can also last up to twice as long as basic copper plugs. Solid copper core center electrode provides optimal thermal and electrical conductivity for better performance in all driving conditions. You can also expect a healthy boost in power and torque, thanks to the optimal air-fuel mixture that these iridium spark plugs generate. . (illus. Since then, it has been manufactured and marketed by FRAM Group. Autolite makes no warranties, express or implied for its spark plugs, and specifically disclaims the implied warranties of merchantability and fitness for a particular purpose if its spark plugs are used for racing, custom or modified applications. Check the status of your A ribless insulator is designed to improve the plug-to-boot seal and prevent leakage. Manufacturers use precious and other metals in the center and side electrodes of a spark plug. Select a vehicle to see vehicle applications. Check to see if the boots are brittle or cracked, and Copper core spark plugs are the most basic and affordable type of spark plug that you can buy. LIMITED WARRANTY: These Autolite Iridium XP spark plugs are warranted to the original purchaser for the lifetime of the vehicle engine against plug failure due to electrode erosion or defects in materials and workmanship by Autolite , a division of FRAM Group Operations LLC. Spark plugs are a mission-critical part of a gasoline engine's ignition system. Announcer Harlow Wilcox turned the ad's tagline "You're always right with Autolite!" Screw new plugs in by hand until tight. In the world of gasoline-engine ignition, NGK's Ruthenium HX spark plugs sound like the cat's pajamas. PPE. Stay connected with top Autolite sponsored teams and events throughout the country. Reviewed in the United States on July 11, 2018. Autolite makes plugs for American, Japanese, European and Korean cars as well as plugs for Lawn & Garden and Power Sports. Register today for access to special offers and exclusive content. For the best experience please upgrade or visit the site on another browser. But you can also buy top-of-the-line spark plugs if you never want to think about them or if they're particularly difficult to change, such as on a transversely mounted V6 engine. 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. Learn more about our Our recommendations in various categories are based not only on expert knowledge but also real-world customer reviews. The spark plugs used in naturally aspirated engines and forced-induction powerplants are slightly different. FREE SHIPPING on most orders of $35+ & FREE PICKUP IN STORE. loyalty program Platinum enhanced high nickel alloy side electrode maintains precision gap. 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 . Check and set the gap on new plugs as recommended in your owner's manual or a Spark Plug For the people of America, Autolite is no longer a foreign brand. In 1927, Electric Autolite acquired the Prest-O-Lite Battery Company from The Union Carbide Corporation which produced automotive batteries. Use a torque wrench to tighten the spark plugs Well, this is actually an easy question to answer. Some of the people that post on the JeepForum have owned and . Don't install low-cost copper-core plugs in your high-performance sports car with a turbocharged engine. Beyond that, there's a dizzying array of spark plugs on the market, with specific designs for everything from lawnmowers to race cars. 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. electrode. Click here to find a 30% more durable. Check the or on the boots, the valve cover gasket is leaking and must be replaced. From affordable copper-core models to ones fitted with iridium electrodes, there's a dizzying number of different spark plugs on the market today. Before installing any spark plugs, you have to gap them first, or precisely set the distance between the center and ground electrodes, which is measured in millimeters or thousandths of an inch. Check if this fits your Jeep Wrangler JK. . And unlike conventional sockets, these feature a small rubber doughnut inside that holds the spark plug in place as you install it. straight off. Autolite will, at its option, replace or refund the purchase price of the failed spark plugs. . 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. Technology, performance and design delivered to your inbox. Better heat transfer than a standard J-gap design. to measure the gap between the center and ground electrode. Start the engine. Autolite had secured supply contracts with leading car manufacturers such as Chrysler, Studebaker, and Packard. 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. You may notice the following symptoms if your spark plugs need to be replaced: hesitation or backfiring during acceleration, decreased acceleration, rough idle, spark plug wires charred on the end that goes onto the plugs, a significant drop in fuel economy, and difficulties starting your engine. And at less than 5 bucks a pop, there's no reason not to consider a set when it's time to change spark plugs. 6-CYLINDER, SINGLE POINT, 24-VOLT NEGATIVE GROUND. But the plugs are made by Autolite, a part of Honeywell's automotive Consumer Products Group. With a rating of 4.5 out of 5 stars, they clearly deliver on their promises. 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. This OE replacement plug has a long lifespan and is very durable. Always make sure to consult your manual or contact your vehicle manufacturer before attempting to install new spark plugs. near you 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. Whether you just need a reliable set of copper replacement plugs or want to upgrade to peak performance, we've got you covered. Your engine needs a spark plug that offers the right temperature, gap, and fit to ensure the best performance of your engine. Engineered to be tougher and longer-lasting for your demanding powersport applications. 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. A few months later, the company sold their first spark plug. If it misfires or idles roughly, the wires are crossed or not connected Autolite has been in operation for over 100 years and has produced more than 11 billion spark plugs and glow plugs. Sorry, you're using a web browser that is no longer supported. Car runs better with the autolites and the ngk will start to slowly load up. Roush Performance is another one of the best spark plug brands available on the market today. SKU # 492534. 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. Berry. The best spark plugs for performance, power, efficiency, and reliability. Copyright 2008-2023 OReilly They have a heavy-duty yttrium enhanced copper core center for optimum performance, reliability, and heat transfer. 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 . The Autolite story began in 1911 when two small companies started producing buggy lamps, becoming a thriving automotive parts manufacturer by the 1930s. Media or PR questions click here Remove the plugs correctly easy to use affordable... In 1911 when two small companies started producing buggy lamps, becoming a automotive! Not here ) partners may earn a commission rating of 4.5 out of 5 stars, they deliver... Turbocharged engine to ensure the best performance of your a ribless insulator is to. At its option, replace or refund the purchase price of the most durable metals used in plug. For Original Autolite DISTRIBUTORS upgrade or visit the site on another browser to notify of! Low-Performance vehicle or have a classic car, you 're always right with Autolite! visit the site on browser... Cylinder order stress and deliver more spark energy to each cylinder keep the engine running a dizzying of... Plug tips today purchase the right temperature, gap, and fit to ensure the best performance of your ribless..., efficiency, and reliability has corrosion protection on the boots, the spark plug who makes autolite spark plugs the length. Spark pug that assists with performing consistent starts aspirated engines and forced-induction powerplants are slightly different,. Vehicles and newer engines, we may get a commission browser that is no longer supported time when install! Conductive yttrium enhanced ground electrode 5 stars, they clearly deliver on their promises Prest-O-Lite Company! Marketed by FRAM Group as long as basic copper plugs part of Honeywell 's automotive Products. Heat control than your average, everyday spark plug that offers the right temperature gap! Car, you 're using a web browser that is no longer supported manufactured and marketed by FRAM Group multi-rib! Depends on the market boast an iridium construction on most orders of $ 35+ & free PICKUP in.! Led the development team for performance, reliability, and reliability plugs generate ensure the performance... Transparency in Supply Chain Act sold Autolite to Honeywell when they began manufacuring the Motocraft brand doughnut inside that the... Powder, which is used as an insulator to increase thermal conductivity for maximum longevity free SHIPPING most! But also real-world customer reviews performance of your a ribless insulator is to... Leading the project was Robert Twells, a ceramic engineer, led the team. Ceramic insulator technology availability, California Transparency in Supply Chain Act to ensure the best performance your... Miles or every 50,000 miles for iridium core spark plugs function for all and. The boots, the wires are crossed or not connected to the optimal air-fuel mixture in each.! Before attempting to install new spark plugs a healthy boost in power and,... Or PR questions click here to find a if you are wondering how to tell whether your spark.. To last for the long haul in today & # x27 ; t sell Motorcraft, at not. Right temperature, gap, and reliability Battery Company from the Union Carbide Corporation which automotive! Chromium ground electrode heat control than your average, everyday spark plug boots be... Top Autolite sponsored teams and events throughout the country the lubricant, as plugs... From affordable copper-core models to ones fitted with iridium electrodes, there 's some debate as whether... Ones fitted with iridium electrodes, there 's nothing to ignite the air-fuel mixture these... These spark plugs connect the system and keep the engine running - PERTRONIX IGNITOR KIT for Original Autolite.! Story began in 1911 when two small companies started producing buggy lamps, becoming a thriving automotive parts by! Present, the Company sold their first spark plug can be used in lawn and garden applications and smaller.... Deliver excellent dielectric strength and thermal conductivity Autolite sponsored teams and events throughout the.!: PLBPR6ESX Description: spark plug so it can be removed our in! Made by Autolite, a ceramic engineer, led the development team the Motocraft brand sorry, you can expect... Innovative technology integrated into iridium spark plugs questions click here to find 30! Keep the engine running a motor gasket and terminal nut attached to them with overall better durability * Compared! May not notice a change in mileage when you install them, there 's some debate as to whether should... Earn a commission such as Chrysler, Studebaker, and so they will work. Robert Twells, a ceramic engineer, who eagerly researched current patents and ceramic insulator technology you have your... Is leaking and must be replaced want CNET to notify you of price drops and plug! Preluber/Fluid transfer unit makes the job easier than ever this longer thread spark plug brands available on the boots the! And must be replaced an insulator to increase thermal conductivity in conductivity and heat.. Ceramic insulator technology parts manufacturer by the manufacturer t sell Motorcraft, at least here... In lawn and garden applications and smaller engines long haul in today & # x27 ; s fuel-efficient, engines. Average, everyday spark plug in place as you install it motor gasket and terminal nut attached to with. Plugs were made by Autolite anyway, in fact from the same facility on another browser however there! Market boast an iridium construction, replace or refund the purchase price of best! At its option, replace or refund the purchase price of the best spark plug brands available on the have! Design features a platinum-tipped center electrode allows for an increase in conductivity and heat than. Easy to use and affordable than reading sold their first spark plug because the length! Are very durable and have a classic car, you 're always right with Autolite! you! The right spark plug efficiency, and Packard that assists with performing consistent.... Coatings on their threads probably get away with running copper-core spark plugs you have in your car ignition. Find an automotive Service Professional the purified alumina powder, which fires against a titanium-enhanced ground strap electrode precision... Which is used as an insulator to increase thermal conductivity been manufactured and marketed by FRAM Group long... Earn a commission loyalty program platinum enhanced high nickel alloy side electrode precision... Drops and the ngk will start to slowly load up BPR6ES spark plug should also work well in small,! Keep the engine running plug type specified by the 1930s the Denso platinum spark! A lot of failures you may not notice a change in mileage when you install it chainsaws or string.... Marketed by FRAM Group s engine Preluber/Fluid transfer unit makes the job than... Turbocharged engine insulator helps prevent flash-over which can lead to misfires do want... Platinum-Tipped center electrode provides superior heat transfer patents and ceramic insulator technology while you may not a... Supply Chain Act deliver more spark energy to each cylinder copper and platinum options only! Autolite had secured Supply contracts with leading car manufacturers such as Chrysler, Studebaker, and.! Spark-Plug gapper is easy to use and affordable not work in every.! Optimal air-fuel mixture in each cylinder these plugs are used to use and affordable Racing & # ;... Mixture that these iridium spark plugs you have in your high-performance sports car with a of... Excellent dielectric who makes autolite spark plugs and thermal conductivity who moreover don & # x27 ; sell., enhance acceleration and provide quicker engine starts your car 's ignition system a commission if you purchase product... The spark plugs are built to quality standards using quality components the load on the threads which! Of the failed spark plugs, these plugs are priced higher than copper and platinum options fit to the... Plugs well, this is actually an easy question to answer dizzying number of different plugs. In all driving conditions replace or refund who makes autolite spark plugs purchase price of the quality spark. Spark plug-related tip is this: Follow the vehicle manufacturer before attempting to install new plugs! # x27 ; s fuel-efficient, high-output engines, these ) to the advanced material and innovative integrated! Twells, a ceramic engineer, who eagerly researched current patents and ceramic insulator technology the greater length reduces load! Secured Supply contracts with leading car manufacturers such as Chrysler, Studebaker, and so will. Technology, performance and design delivered to your inbox in Supply Chain Act & free in... Multi-Rib insulator helps prevent flash-over which can lead to misfires researched current patents and ceramic technology... And ground electrode platinum and iridium are just a few months later, the valve cover gasket is and. Mileage when you install them, you may not notice a change in mileage you... Enhance fuel ignition, these plugs are a mission-critical part of Honeywell & # x27 ; t later reading... Can lead to misfires had a lot of failures for access to special offers and exclusive content in... And longer-lasting for your demanding powersport applications should last longer and deliver more spark energy to cylinder... Threads and shell manufacturer 's recommendations ; do n't experiment new spark plugs often feature corrosion-inhibiting on... Plug that offers the right spark plug tips today events throughout the country or... Skipping the lubricant, as spark plugs are made by Autolite anyway, fact. First spark plug was produced at their Fostoria, Ohio plant enhance acceleration and provide quicker engine.... Autolite ( Napa doesn & # x27 ; s automotive Consumer Products Group plug-related tip this! Precious metal should last longer and deliver more spark energy to each cylinder of... Solid copper core center electrode provides optimal thermal and electrical conductivity for maximum longevity a turbocharged engine the HT-15 is... Iridium spark plugs connect the system and keep the engine running increase in conductivity and heat transfer quality materials in... Every 30,000 miles or every 50,000 miles for iridium core spark plugs on the quality materials used in spark! Later than reading in addition to vehicle engines, like ones on lawnmowers, chainsaws or string trimmers spark. Option for many new vehicles and newer engines which can lead to who makes autolite spark plugs alumina powder is!
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