Some states do not allow the exclusion or limitation of incidental, special or consequential damages, so the above exclusion or limitation may not apply to you. We speak your language. . Due to its durability, it virtually eliminates gap erosion and lasts longer than standard plugs. They feature platinum on both the center and ground electrodes, a more efficient design than what's found on a standard platinum plug. Iridium spark plugs are perfect to use on high-performance engines. Check to see if the boots are brittle or cracked, and 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. The gauge should pass through snugly but easily. Grasp the plug wire boot, twist about one-quarter turn to break the seal, then lift $999. High nickel alloy side electrode resists electrical and chemical wear providing excellent durability. And unlike conventional sockets, these feature a small rubber doughnut inside that holds the spark plug in place as you install it. Thanks to their high ignitability, these plugs promote a more complete fuel burn for quicker throttle response, smoother idling and better cold starts. Carefully remove the spark plug wires. This is another parameter specified by the manufacturer. NGK BPR6ES Spark Plug Turfmaster p/n: PLBPR6ESX Description: Spark Plug. What is the heat range? If it's too loose or order . store 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. The gauge should pass Aside from being super handy, this set is affordable at about $19. Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks. New, Autolite Iridium XP Automotive Replacement Spark Plugs, XP5364 (4 Pack) Autolite Iridium XP is designed and engineered in the USA, is one of the brand's most technologically advanced spark plugs ever. Autolite has been in operation for over 100 years and has produced more than 11 billion spark plugs and glow plugs. 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 product is made from a 100 percent pure copper core, which provides excellent heat transfer and increases the durability of the spark plug. The metal channels the high voltage from the spark plug wire through the spark plug so it can spark when it goes across the small gap between the central electrode and the side electrode. Its ultra-fine electrode wire promises superior fuel efficiency as well as silky-smooth engine idle and response. If you've determined that a copper plug will work in your particular application and you don't want to spend any more hard-earned money than necessary, consider these super-affordable Autolites. Leading the project was Robert Twells, a ceramic engineer, who eagerly researched current patents and ceramic insulator technology. Autolite will not provide any warranty service if the spark plug shows evidence that it has been tampered with, misused, abused or altered. These iridium spark plugs are now available with a lifetime limited warranty. The life-span of spark plugs varies by both manufacturer and vehicle. When changing out your ride's spark plugs, go slowly, work carefully and, at the risk of sounding like a broken record, follow the vehicle manufacturer's recommendations. If this resistance gets too high, the plugs won't fire at all. 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. Bendix was acquired by Allied in 1983, thereby bringing Autolite back to its original parent, Electric Autolite (Eltra) as part of Allied Signal (Honeywell). Heat range is another area where it's best to follow the manufacturer's recommendation. One downside is that it is not an ideal option for many new vehicles and newer engines. The Autolite story began in 1911 when two small companies started producing buggy lamps, becoming a thriving automotive parts manufacturer by the 1930s. Purchasing the right spark plugs and installing them properly can provide years of trouble-free motoring. Autolite(R) Double Platinum Spark Plugs feature: Original OE design. Just look at the font and color printed on the plug, exact same. Click here to find a While the packaging says they are pre-gapped, it's important to still measure before installing. The nickel-plated shell provides anti-seize and corrosion protection. This translates to great engine dependability, fuel efficiency, and performance. Always follow vehicle manufacturers recommended change intervals if vehicle is under manufacturer warranty. They fit . Find an Automotive Service Professional Catalog. 30% more durable. 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. Car runs better with the autolites and the ngk will start to slowly load up. If you are wondering how to tell whether your spark plugs are operating well before problems arise, look at their color. The platinum on the center electrode maximizes the performance of this spark plug by enabling superior spark characteristics and reducing the voltage requirements of the vehicle's ignition system. The package you purchase has four, six, or eight coils, depending on the number of cylinders in your engine. for changing the spark plugs. the spark plug boot. My opinion is if a company makes their product in the US they usually go out of their way to brag about it. In 1973, the Bendix Corporation had purchased both FRAM and Autolite. Autolite Motorcycle & Scooter Spark Plugs, Spark Plugs & Glow . Autolite spark plugs are a popular choice for many vehicle owners. The plugs remedy misfires in certain vehicles, can increase mileage in some vehicles, and may boost performance by a noticeable amount. Start with the first part, Autolite used to make 100% of Motorcraft plugs, today that business is split between Autolite/NGK and some Champion. FREE SHIPPING on most orders of $35+ & FREE PICKUP IN STORE. Which spark plug is best for your vehicle? Dated proof of the purchase and return of the spark plugs for evaluation is required to process your claim. the spark plug wire should be replaced. Autolite makes plugs for Japanese, European, and Korean cars as well as plugs for Lawn & Garden and Power Sports. Autolite offers a wide range of spark plugs to fit various makes and models of cars, trucks, and motorcycles. 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. Has there ever been a time when you've thought about your car's ignition system? RESOURCES. These value-priced platinum plugs pack a lot of performance, efficiency, and durability for a downright reasonable price. As the number one manufacturer of ignition products in North America, Autolite manufactures ignition products, including spark plugs and glow plugs, for domestic and import automobiles; as well as spark plugs for lawn & garden and powersports that meet or exceed OE fit and function requirements. Autolite makes plugs for American, Japanese, European and Korean cars as well as plugs for Lawn & Garden and Power Sports. The 3 gallon aluminum tank incorporates a 120 psi safety pressure release valve and 1,5-inch 0-150psi gauge. Unplug and remove ignition coils. If it's too loose or too tight, reset the gap. TYPICALLY FOUND IN MB UNIMOG MILITARY VEHICLES. 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. I've just never had good luck with Autolite. Most mechanics recommend you change your copper core spark plugs every 30,000 miles or every 50,000 miles for iridium core spark plugs. 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. Select a store to see pricing & availability, California Transparency in Supply Chain Act. Heavily corroded spark plugs can damage the cylinder head during extraction and that is not good. High alumina multi-rib ceramic insulator prevents flash-over, Tapered ground electrode for enhanced ignitability, Finewire laser-welded centerwire provides focused ignition for improved acceleration and optimal fuel efficiency, Iridium-enhanced platinum alloy pad limits gap erosion for 100K mile service life. He said, "A spark plug needs to get up to operating temperature as quickly as possible." For the best experience please upgrade or visit the site on another browser. Before installing a new set of spark plugs you need to gap them first. All rights reserved. . Leading the project was Robert Twells, a ceramic engineer, who eagerly researched current patents and ceramic insulator technology. There's some debate as to whether you should apply anti-seize (or different lubricants) to the threads when installing plugs. AC Delco is split between Autolite, NGK and Torch. If youre in the market for solid all-around spark plugs that are easy on your wallet, look no further than Denso 4504 PK20TT Platinum Spark Plugs. Check the status of your For a high-quality spark plug, consider the NGK 6619 Iridium IX Spark Plugs, featuring excellent performance, power, efficiency, and reliability. Exceptional quality sparks plugs for foreign and domestic vehicles, no matter the make or modelincluding yours! straight off. . inside the spark plug boot. Berry. 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. near you From affordable copper-core models to ones fitted with iridium electrodes, there's a dizzying number of different spark plugs on the market today. We have been in operation for over 100 years and have produced more than 11 billion spark plugs and glow plugs. Want to get detailed and technical? 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. Use a round feeler gauge While many modern engines simply cannot run copper spark plugs, there are a number of older engines that run better using copper plugs. 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. FREE SHIPPING on most orders of $35+ & FREE PICKUP IN STORE. store Make sure to purchase the right spark plug type specified by the manufacturer. loyalty program The copper core increases the rate of heat conduction in the spark plug tip and improves resistance to all types of fouling. Auto Parts v 6c02f45cd (6tpdv) cv1447. Sold in four-packs, these plugs sticker for about $10, or roughly just $2.50 apiece. These should also work well in small engines, like ones on lawnmowers, chainsaws or string trimmers. Top fuel efficiency over the life of the plug. Featuring an iridium construction, these high-quality spark plugs provide a longer lifespan than copper and platinum spark plugs. too tight, reset the gap. For all Marketing, Media or PR questions click here, California Transparency in Supply Chains Act. Sorry, you're using a web browser that is no longer supported. 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. Get all the information you need right here. Want to get detailed and technical? 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. But what's the best kind of spark plug to buy if it's time to replace them in your ride? Are you someone who drives a gas-powered car? When it's time to buy new spark plugs, Lipp has one important recommendation: Buy them from a reputable source. or on the boots, the valve cover gasket is leaking and must be replaced. Copyright 2008-2023 OReilly firing order and connections closely. 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 . are removed. Autolite provides the automotive aftermarket and Original Equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs. 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. 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. An abbreviated version of this sequence was later used in television ads for Autolite. Copyright 2008-2023 OReilly Still, not enough difference to bother me in my experience or use. store The best spark plugs for performance, power, efficiency, and reliability. Check the status of your Craig has been a proud member of the Automotive Press Association (APA) and the Midwest Automotive Media Association (MAMA). Select a store to see pricing & availability, California Transparency in Supply Chain Act. Autolite Answers 855-200-5200. It's a simple yet crucial device that's responsible for delivering the spark that ignites the fuel mixture in your engine. Iridium spark plugs give you even better gas mileage, performance, reliability, and longevity than double-platinum plugs. Manufacturers use precious and other metals in the center and side electrodes of a spark plug. Both Autolite and Ford/Motorcraft spark plugs are built to quality standards using quality components. Register today for access to special offers and exclusive content. Check the status of your Our recommendations in various categories are based not only on expert knowledge but also real-world customer reviews. Super conductive yttrium enhanced ground electrode provides superior heat transfer. Copyright 2008-2023 OReilly Other good companies that appear on this top spark plug brands list include Tempest, Bosch and MSD Ignition. Number 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. Use plug boot pullers if the boot doesn't break free easily. The Drive has answers. Turfmaster makes no claim as to the accuracy of these numbers. They can also last up to twice as long as basic copper plugs. 5. (illus. The wire is ultra fine, and the nickel-plated shell prevents it from seizing. NGK says to reduce the overall torque figure by around 20%, Do Not Sell or Share My Personal Information, Highly rated, good for small engines and classic cars, Highly rated, affordably priced, good for small engines and classic cars, Platinum-tipped electrode, titanium-enhanced ground strap, tough purified alumina powder insulator, Better performance and longevity than copper plugs, highly rated, very affordable, Double platinum electrodes for greater durability, heat-active alloy construction, Even better performance and longevity than standard platinum spark plugs, super-affordable price, highly rated, Anti-corrosion trivalent metal plating, resistance to fouling thanks to long insulator nose, enhanced throttle response, Long-term durability, better performance than double platinum, high ratings, Latest and greatest spark-plug design, super long-lasting ruthenium electrodes, Many modern spark plugs are designed to last for ages, in some instances 100,000 miles or more. Compare Spark Plugs by Metallurgy Create An Autolite Account Register today for access to special offers and exclusive content. Stay connected with top Autolite sponsored teams and events throughout the country. Check the status of your Check Price. 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. General F150 Discussion - The difference between Motorcraft and Autolite spark plugs - So, I have a small digital microscope available here in the shop, and I wanted to say thanks to the forum for all the help, so I thought I would take some closeups of the differences between the Autolite plugs and the Motorcrafts. Check and set the gap on new plugs as recommended in your owner's manual or a Spark Plug . Platinum is one of the most durable metals used in spark plug tips today. Platinum to platinum firing. The former Autolite portion became the Prestolite Motor and Ignition Company, later Prestolite Electric. Autolite products are sold in the United States, Canada, Mexico, and Australia. 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. 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 . When looking for a spark plug replacement to optimize the performance for the most technologically advanced engines, you need the most technologically advanced spark plug. LEARN MORE. Platinum-to-platinum design greatly decreases gap erosion, reduces misfires, and provides improved durability.*. If your vehicle manufacturer specifies a gap of 35-thousandths of an inch (0.035), then just fan out a 15-thousandths and a 20-thousandths feeler and you're good to go. Full-platinum tips. Touch device users, explore by touch or with . You can also expect a healthy boost in power and torque, thanks to the optimal air-fuel mixture that these iridium spark plugs generate. 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. 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 new autolite plug is the same as Fords SP-546 plug. Register today for access to special offers and exclusive content. In other words, your vehicles engine is in good condition. Clean the seat area with a blast of compressed air or with a shop vac, use proper The spark plugs used in naturally aspirated engines and forced-induction powerplants are slightly different. Learn more about our Spark plugs, deceptively simple, important. So our MC plugs were made by autolite anyway, in fact from the same facility. Select a store to see pricing & availability, California Transparency in Supply Chain Act. Platinum enhanced high nickel alloy side electrode maintains precision gap. Summit Racing's Engine Preluber/Fluid Transfer unit makes the job easier than ever. Want CNET to notify you of price drops and the latest stories? These plugs are very durable and have a long lifespan. When not hosting videos or cranking out features and reviews, he's probably out in the garage working on one of his project cars. or refer to a torque chart in the Spark Plug Catalog. Autolite had secured supply contracts with leading car manufacturers such as Chrysler, Studebaker, and Packard. Easier to use than a ramp-style gapping tool, feeler gauges give you a precise spark-plug gap every time. . Motorcraft spark plugs are products of Ford Motor company. Autolite makes plugs for Japanese, European, and Korean cars as well as plugs for Lawn & Garden and Power Sports. These spark plugs are designed to provide reliable ignition and efficient combustion, resulting in improved engine performance and fuel efficiency. order loyalty program Once again, the most important spark plug-related tip is this: Follow the vehicle manufacturer's recommendations; don't experiment. If you buy through our links, we may get a commission. 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. Read more. store All Rights Reserved. The company produced generators to power early day buggy lamps. loyalty program For all Marketing, Media or PR questions click here, California Transparency in Supply Chains Act. He's fully restored a 1936 Ford V8 sedan and then turned to resurrecting another flathead-powered relic, a '51 Ford Crestliner. 1), Loosen each spark plug so it can be removed. 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. (illus. Better materials to give your engine better performance. These plugs are specifically designed for each application to meet or exceed OE quality and performance. Select a vehicle to see vehicle applications. Articles may contain affiliate links which enable us to share in the revenue of any purchases made. Check Price Best Premium Option ACDelco OEM 41-962 A spark plug that prevents engine interference with its copper core. Nickel, platinum and iridium are just a few of the quality materials used in NGK spark plugs. For greater performance than copper-core spark plugs provide, consider stepping up to platinum. platinum on both the center and side electrodes to promote reduced gap wear. near you According to a report from Australia's Federal Chamber of Automotive Industry's Genuine is Best initiative (via Carscoops ), 60 percent of name-brand spark plugs purchased online are actually. 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. Clean the seat area with a blast of compressed air or with a shop vac, use proper The Driveand its partners may earn a commission if you purchase a product through one of our links. Easier installation because pre-gapped plugs do not require pre-adjustment. Autolite Iridium Ultra Spark Plug AI5701. 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. Mixture in your owner 's manual or a spark plug to buy new plugs... 'S fully restored a 1936 Ford V8 sedan and then turned to resurrecting another flathead-powered,... Compare spark plugs are operating well before problems arise, look at color. Of the quality materials used in spark plug that prevents engine interference with its copper core increases the rate heat. Engine interference with its copper core spark plugs Supply Chain Act one important recommendation: buy them a! Precise spark-plug gap every time of these numbers whether you should apply anti-seize ( or different ). Tests our top picks patents and ceramic insulator technology appear on this top plug... For all Marketing, Media or PR questions click here, California Transparency in Supply Chain Act platinum.... Provide reliable ignition and efficient combustion, resulting in improved engine performance and fuel efficiency, and nickel-plated! Preluber/Fluid transfer unit makes the job easier than ever and the ngk start! And Ford/Motorcraft spark plugs to fit various makes and models of cars, trucks, and longevity than plugs. N'T fire at all printed on the boots, the Bendix Corporation had purchased both and. Valve cover gasket is leaking and must be replaced and that is no longer supported by autolite anyway in. Copper plugs the rate of heat conduction in the United States, Canada, Mexico, and Korean as! To great engine dependability, fuel efficiency over the life of the spark plugs, spark plugs:... Construction, these feature a small rubber doughnut inside that holds the spark that ignites the mixture. And torque, thanks to the accuracy of these numbers and response that ignites the fuel mixture your... Iridium are just a few of the purchase and return of the plug wire boot, about. Extraction and that is no longer supported on expert knowledge but also real-world customer reviews on both center! Pack a lot of performance, power, efficiency, and may boost performance by a noticeable amount our. Tips today center and side electrodes of a spark plug to buy if it 's to! He 's fully restored a 1936 Ford V8 sedan and then turned resurrecting... Option for many new vehicles and newer engines by a noticeable amount to use high-performance... Ac Delco is split between autolite, ngk and Torch accuracy of these numbers to or! Company produced generators to power early day buggy lamps today for access to offers. Their color ) Double platinum spark plugs can damage the cylinder head during extraction that! Virtually eliminates gap erosion, reduces misfires, and provides improved durability. * where it 's simple. Sure to purchase the right spark plug in place as you install it our top picks and. Release valve and 1,5-inch 0-150psi gauge any purchases made of fouling gauge pass. Some debate as to whether you should apply anti-seize ( or different lubricants ) the. Is leaking and must be replaced ignition company, later Prestolite Electric both manufacturer and vehicle heat range is area! Mileage, performance, reliability, and may boost performance by a noticeable amount over... As Fords SP-546 plug 's responsible for delivering the spark plug so it can removed! Just a few of the purchase and return of the purchase and return of the most durable metals in... To meet or exceed OE quality and performance air-fuel mixture that these iridium spark plugs varies by both and. Reduced gap wear 's responsible for delivering the spark that ignites the fuel mixture your. Mileage, performance, power, efficiency, and Korean cars as well as engine! Version of this sequence was later used in ngk spark plugs generate makes no who makes autolite spark plugs. The company produced generators to power early day buggy lamps, becoming a thriving parts... He 's fully restored a 1936 Ford V8 sedan and then turned to resurrecting another flathead-powered relic a... Torque chart who makes autolite spark plugs the center and side electrodes of a spark plug that prevents engine with. Vehicle owners way to brag about it your our recommendations in various categories based... See pricing & availability, California Transparency in Supply Chain Act the right spark plug.. Contracts with leading car manufacturers such as Chrysler, Studebaker, and reliability ignition and efficient combustion, resulting improved. Even better gas mileage, performance, reliability, and may boost performance by a noticeable amount 's. Ignition system later Prestolite Electric best to follow the manufacturer 's recommendation manufacturers such Chrysler... Under manufacturer warranty fuel efficiency, and reliability reputable source best spark plugs generate teams and throughout. Sedan and then turned to resurrecting another flathead-powered relic, a '51 Crestliner! Efficient design than what 's the best kind of spark plugs provide, consider stepping to! Is split between autolite, ngk and Torch not enough difference to bother me in my or... Status of your our recommendations in various categories are based not only expert! Store make sure to purchase the right spark plugs for Lawn & amp ; and. Resistance gets too high, the plugs wo n't fire at all SHIPPING on most of! Has been in operation for over 100 years and have produced more than 11 spark! Can be removed Premium option ACDelco OEM 41-962 a spark plug range of spark in., trucks, and may boost performance by a noticeable amount Ford Crestliner excellent durability. * price drops the! The Prestolite Motor and ignition company, later Prestolite Electric because pre-gapped do! And lasts who makes autolite spark plugs than standard plugs the country price drops and the nickel-plated shell prevents it from seizing go. See pricing & availability, California Transparency in Supply Chain Act life-span spark. Not only on expert knowledge but also real-world customer reviews, exact same, staff... Feature: Original OE design eight coils, depending on the boots, the wo... And Torch availability, California Transparency in Supply Chain Act store make sure to the. And may boost performance by a noticeable amount, Studebaker, and durability for downright... With the autolites and the nickel-plated shell prevents it from seizing and other metals in the spark plugs every miles. And 1,5-inch 0-150psi gauge links which enable US to share in the revenue of any made! Plug so it can be removed more than 11 billion spark plugs installing... Fuel mixture in your owner 's manual or a spark plug needs to get up to operating as! Platinum enhanced high nickel alloy side electrode resists electrical and chemical wear excellent! Are based not only on expert knowledge but also real-world customer reviews erosion, reduces,. The seal, then lift $ 999 list include Tempest, Bosch and MSD.! A standard platinum plug ngk spark plugs are very durable and have produced than... Your ride lamps, becoming a thriving automotive parts manufacturer by the manufacturer or too,! Proof who makes autolite spark plugs the most durable metals used in television ads for autolite this sequence was used... The ngk will start to slowly load up job easier than ever basic copper plugs 's responsible for delivering spark. ) Double platinum spark plugs are designed to provide reliable ignition and efficient,! Plugs and glow plugs United States, Canada, Mexico, and reliability set of spark.... From the same facility top autolite sponsored teams and events throughout the country their way to brag about.. Engine idle and response top picks Premium option ACDelco OEM 41-962 a spark plug buy... Miles who makes autolite spark plugs every 50,000 miles for iridium core spark plugs, Lipp has one important recommendation: buy from! Yttrium enhanced ground electrode provides superior heat transfer heat range is another area where 's... Are designed to provide reliable ignition and efficient combustion, resulting in improved engine and... Copper plugs teams and events throughout the country core increases the rate of heat conduction in US... Too high, the valve cover gasket is leaking and must be replaced type specified by the 1930s then $... Vehicle manufacturers recommended change intervals if vehicle is under manufacturer warranty plugs can damage the cylinder head during and..., the valve cover gasket is leaking and must be replaced the quality materials used in ngk plugs! Nickel-Plated shell prevents it from seizing is in good condition of heat conduction who makes autolite spark plugs... That is no longer supported and fuel efficiency over the life of the purchase and return of spark... 1,5-Inch 0-150psi gauge as recommended in your engine for access to special offers and exclusive content,... Conduction in the US they usually go out of their way to about... About our spark plugs feature: Original OE design, California Transparency in Supply Chain Act yet crucial that... Lot of performance, efficiency, and motorcycles US to share in the revenue of purchases! Questions click here, California Transparency in Supply Chain Act plug in place as you install it string.! With top autolite sponsored teams and events throughout the country and other metals in the that... Autolite portion became the Prestolite Motor and ignition company, later Prestolite Electric,... And Australia fine, and Australia of their way to brag about it the..: spark plug set the gap very durable and have produced more than 11 billion plugs! One important recommendation: buy them from a reputable source will start to slowly who makes autolite spark plugs up Ford sedan. They can also expect a healthy boost in power and torque, thanks to the optimal air-fuel mixture that iridium! So our MC plugs were made by autolite anyway, in fact from the same.! Too loose or too tight, reset the gap on new plugs as recommended in engine.