You must log in or register to reply here. If you do not remember your password, please use the 'Forgot Password' link below. This spark plug set comes with a great design that allows you to use in the car to get rid of stuck snags when riding in the winter seasons. It on top makes sure you are using in the latest truck with no trouble. Seems to be the most up to date model because of early failures on the 515. PZH14F SP515 PZH1F SP514 TT10 SP488. Application . Sp515, Sp546 Fitment Type: Direct Replacement Warranty: Other Bundle Listing: Yes Brand: Motorcraft Manufacturer Part Number: SP-515 About this product Product Identifiers Brand Motorcraft Manufacturer Part Number SP-515 eBay Product ID (ePID) 243811466 Additional Product Features Notes Description--Spark Plug Part Type Check "Remember Me" to access your shopping cart on this computer even if you are not signed in. amzn_assoc_ad_type = "smart"; If you want to spark plugs that you can screw in and run with complete confidence, you pick Motorcraft. It also makes sure no trouble of rough idle for making your car ride in low emissions and release. Motorcraft Platinum SP515-SP546 HT15 Spark Plug For Ford 5.4L PZH14F. Do Not Sell or Share My Personal Information. The tip of the spark plug set also makes sure good stability to use on the engine at ease. Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates. It on top makes sure you are getting noticeable performance when riding on any road condition at a good speed. For connection to the cylinder head, there is a thread in the lower part of the body. Thanks. https://www.summitracing.com/parts/mof-sp515, Do Not Sell or Share My Personal Information. Right? We are talking about the Motorcraft SP515 & SP546 Read more Toyo RT Vs AT2 Extreme - What should be Your Choice amzn_assoc_ad_mode = "manual"; We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. The main difference is their service life. They are often located away from doorways or places where passersby could potentially be accidentally walked on by customers; such as parking lots or garages. Manage Preferences - Engineered to stringent OE specifications, it is sure to fit and function the same or even better than the part your vehicle was manufactured with. The spark plug set on top makes sure you are getting better sparking heat to ignition to have clear driving experience. Whomever this chum of yours who claims to work for Ford that recommended the Motorcraft SP-515 plugs according to a supposed internal bulletin from Ford? DISCLAIMER: THERE ARE AFFILIATE LINKS IN THIS POST. Fit most automobiles and specialty applications, including domestic and imported and trucks. Qty: 1 = Full set of 8 Spark Plugs This is a set of 8 OEM Motorcraft SP546 spark plugs for your vehicle. Did a search here and google, but I can't seem to find the answer to what is the difference between these Motorcraft plugs. Therefore, the tires assure you to travel from one place to another to reach safety. Get yours online today and pick up in store. Manage Settings Please enter your vehicles Year, Make, & Model to confirm fitment. amzn_assoc_marketplace = "amazon"; Mar 5, 2022 11:59 AM EST. With the 14mm thread size, the spark plug set allows your engine to get rid of fuel extra spending to drive well. This spark plug set also allows better riding comfort with lower emissions. And, it makes sure your car is easily getting better acceleration and braking reaction to have the combustion process in your engine. This spark plug set on top makes sure no snag of function exceptionality to use for a longer period of time. Dieselfiltersonline.com is a supplier of diesel and non diesel truck parts. It happens that the engine, for example V6, has a transverse arrangement. I'll live with a 2hr maintenance twice in the life of the truck while I own it, lol. Recommended for Ford, Lincoln and Mercury vehicles. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. to Amazon, eBay and other sites may include affiliate code. This spark plug set as well you are getting fine performance in the engine to get the precise fitting. Set of 8 OEM Motorcraft Platinum SP546 (SP515) HT15 Spark Plugs For Ford 5.4L Brand: Herko Automotive 1,506 ratings | 53 answered questions $8750 Every single spark plug is inspected throughout the entire shipping process for worry free, out-of-the-box performance. The Ultimate Comparison Between Motorcraft SP515 Vs SP546 Because of their quite similar looking design and seems to be matching feature sets, it's not very unusual for you to get confused about which one to get for your usage. The spark plug Cross References are for general reference only. The Ultimate Comparison Between Motorcraft SP515 Vs SP546 Because of their quite similar looking design and seems to be matching feature sets, it's not very unusual for you to get confused about which one to get for your usage. This spark plug set has better function and stability to makes sure your car engine to idle smoothly. It on top helps your engine to get safe and reliable speed for your engine to access well. Just had to do spark plugs last night on my 07 EL not happy! That kind of heat near porcelain can break it . This spark plug set comes with a tapered ground electrode that allows you to get the fair speed and ignites. Motorcraft Platinum SP546 (SP515) HT15 OEM Spark Plugs Motorcraft SP546 series is the OEM recommended product for the 5.4 Triton, and that carries a certain dose of weight. It on top makes sure better durability stand against opposition. This spark plug set comes with a 16 mm thread size with great application compatibility to fit into any engine at ease. Please register or login to enable Dark Mode. The SP-507's broke .. replaced by the SP-515's.. never heard of the SP-546. From engine response to enhancing performance, SP546 does win the race with SP515. Magnapack Vs Glasspack Which One Sounds Better? This spark plug set also makes sure easier loading for making your engine work fine. Motorcraft SP-515 Spark Plug PZH14F - Superseded To SP546 Brand: Motorcraft 8 ratings $1269 Frequently bought together + Total price: $44.23 Add both to Cart Some of these items ship sooner than the others. It is used in diesel motors. A forum community dedicated to Ford Mustang owners and enthusiasts. JavaScript seems to be disabled in your browser. However, SP 509 is still a valid number. The objective of tires covers stable handling, lowering road-noise, Read more, When your beloved car tire crawls off-roads more, the tire needs to be robust with a better grip. Amazon and Ebay vendors may still be selling old stock (or old counterfeit stock. spark plugs were spark plugs, today not so much. Main Question: I just purchased a 94 F150 with 214k on it. All variants are good, if it was chosen correctly. This SP546 spark plug set on top makes sure good resistance to get rid of oxidizing even if contact with liquid or fuel. there is a lot of fine-tuning with spark plugs and specific vehicles today. Compatibility. For a better experience, please enable JavaScript in your browser before proceeding. Ford has never discussed this . amzn_assoc_placement = "adunit"; Are you saying the X model is actually a different plug? In order not to make a mistake, consider the following: You may also encounter a choice of these items with different mass electrodes. 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The Ford F-series line is very BallisticParts.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for website owners to earn advertising fees by advertising and linking to amazon(.com, .co.uk, .ca etc) and any other website that may be affiliated with Amazon Service LLC Associates Program. amzn_assoc_design = "enhanced_links"; Spark plugs are classified mainly on the basis of the materials from which their electrode is produced. Mostly we truck owners seem to be satisfied with the spray-on types. It also stays fitted that can resist impact. This spark plug set also allows good heated engine performance. For a better experience, please enable JavaScript in your browser before proceeding. There are 2 replacement spark plugs for Motorcraft SP515. However, if you are here Read more, Lift suspension kits are a group of several elements that keeps your auto motives down part far from rough surface decently. Simply because its capable of providing you an extensive service overall with a robust construction benefit to last longer. FordPartsOne.com - All Rights Reserved, Motorcraft SP515 PZH14F SP 515 Spark Plug. Title: Spark Plug Service Part Number to Motorcraft Number conversion table Author: Boss, Robert (R.T.) Created Date: If you order 515s thru Ford you'll bet 546. The SP-515 have been superseded by the SP-546 by Ford. Unbolt the sway bar lights on each side and unbolt the brake line bracket from the frame. Contact Us - As long as a burger uses the basic construction of the famous sandwich, the Restaurant Brands . It on top makes sure you are getting rid of metal marks to work fine into the truck engine. A single one installed in the engine cylinder must produce this spark between 500 and 3500 times per minute. Theres no doubt that both Motorcraft SP515 & SP546 are incredible at their jobs as two of the best quality spark-plugs available at the market. This tapered ground electrode also ensures your engine to get better combustion. We and our partners use cookies to Store and/or access information on a device. The seemingly identical parts can be completely different. The combustion power and cleanliness of the engine interior depend on the air quality and its volume. And, it makes sure you are getting a solid coating that wont break or scratch easily even under the critical surface. It on top makes sure you are getting iridium fine wire that makes sure no snag of fouling. This part is OEM Ford Motorcraft. make a purchase, we may earn a small commission. This spark plug set of 8 makes sure your car is getting fine better acceleration and response to drive fast. Amazon and Ebay vendors may still be selling old stock (or old counterfeit stock ). We are a warehouse distributor focused exclusively on providing high quality original equipment manufacturer parts for your fleet of light and medium duty diesel trucks. The Motorcraft plugs for the 2005- early 2008 4.6L 3 valve Mustangs are Motorcraft SP-462 superseded by SP-514 and SP-547. It ignites a mixture of air and fuel that comes from a spark. Low prices AND great service are our passion. What motor do you have ? If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. The Motorcraft plugs for the 2005- early 2008 4.6L 3 valve Mustangs are Motorcraft SP-462 superseded by SP-514 and SP-547. It features extensive laboratory that improves your truck engine performance. Its best to stick to the regulations established by the manufacturer. Magnapack and glasspack are two mufflers Read more, Nothing can beat a good and sturdier bed liner when thinking about the protection to the truck bed. Though in city roads and highways there are not any exact benefits of it other than the appearance in Read more, Currently, you may be using conventional oil for your car engine, and you are worried about upcoming cold weather because in this situation conventional oil doesnt work properly. It on top makes sure good resistance against corrosion or rust to last longer. Advertising - Spin 5 - Acer United States. Powerful diesel engines and 6.0 Powerstroke engines assume high loads, especially if the vehicle is operated in harsh conditions or mountainous terrain. Do Not Sell or Share My Personal Information -, By logging into your account, you agree to our, Sp546X vs sp546 spark plugs ( 5.4 3v plug motorcraft ). Spark Plug SP-515 PZH14F Motorcraft. 5 Best Suspension Lift For Tacoma That Ensures Comfortable Riding, Toyo RT Vs AT2 Extreme What should be Your Choice, Motorcraft Full Synthetic Vs Blend Which one Makes Your Car Faster, Fine quality and accurate fit to make the most of performance, Reliable one that gives good ignitability and long life execution. Reboot. 2008_XL on 03-23-2016 07-30-2019 08:43 PM by Justin C 2 4,660 Preventing the cam phaser issue? This spark plug set also ensures higher gas mileage on the roadside. MOTORCRAFTSP546Finewire PlatinumInfo Category: Spark Plug Choose ($9.49/Each){4}+ $37.96 ^(Only 1 Remaining) ($10.70/Each){1}+ $10.70 ^ ($9.49/Each)x4$37.96 ($9.49/Each)x4$37.96 (Only 1 Remaining) ($10.70/Each)x1$10.70 Intentionally blank Intentionally blank Choose ^ Could ship from same location as parts in cart It on top has a 360-degree nonstop curve that allows you to easily fit into the engine that wont break, scuff, or scratch. Parts are just part of what we do. Check for correct application and spec/measurements. Maybe that's the replacement. In the classic version there is one, but there are versions with two, three and even four side electrodes. Please enter your email address and press "Submit" to reset your password. If so, can you answer any of question in post 1? Last edited by Big Screen D; 08-25-2017 at 10:39 AM. Quantity: $9.49. It on top makes sure your engine is working fine without slowing down or resulting in a negative impact on riding performance. AD Auto Parts Motorcraft SP515 Spark Plug Set, Toyo RT VS AT2 Extreme What should be Your Choice, Michelin AT2 Vs Cooper AT3 Which One will You buy. This spark plug set comes with great service intervals for up to 60,000 to 100,000 miles to change. Halloween Drive-thru Near Me, Hotpoint Oven Turnspit How To Use, Teriyaki Fish Recipe Tilapia, Romans 12:1-8 Sermon Illustrations, Sp515 Vs Sp546, In Asymmetric Key Cryptography, The Public Key Is Available With, $70,000 A Year Pension, Dynamite Sauce Recipe Sushi, Women's Weekly Date Slice, Rosemary Gravy For Chicken, Comic Set In Metropolis Crossword Clue, Do Not Sell or Share My Personal Information -, By logging into your account, you agree to our. This direct OEM replacement is made from Copper Core with Platinum Tip and it fits 2005-2008 GTs w/ Black Coil Boots. amzn_assoc_linkid = "49f88e9c287fd9c7b26a409ddfd00a2e"; amzn_assoc_tracking_id = "autokingsx-20"; So, you need synthetic oil for greater performance and more lubrication in Read more, Because of their quite similar looking design and seems to be matching feature sets, its not very unusual for you to get confused about which one to get for your usage. THIS MEANS THAT AT NO COST TO YOU, I WILL RECEIVE A SMALL COMMISSION IF YOU PURCHASE THROUGH MY LINK. Magnapack Vs Glasspack Which One Sounds Better? [DG-511]Motorcraft DG511 Ignition Coil (DG511)-3L3Z-12029-BA. The spark plug is designed to ignite the fuel-air mixture in the combustion chamber of engines that use gasoline as fuel. I'm going to be our Guinea Pig. About 7,500 miles or less and I was getting WOT misfires like crazy random misfires under light load. The main parameters are thread pitch and its diameter, gap value (distance between side and central electrode), glow number (determines the thermal property of the element). It's a lot easier to change the plugs on a SBF/SBC, but you do it a hell of a lot more often on those than on today's engines. amzn_assoc_placement = "adunit"; Ford quietly replaced them with sp546's .If they aren't bad out of the box they can fail later causing lots of headaches and countless dollars replacing other parts chasing these bad plugs . The Motorcraft SP515 is one piece spark plug set that has fine design and quality to help your engine work well. Ultimately, you should be making the choice, so do it! Therefore it is worth paying attention to the frequency of their replacement. Each engine (car) has its own values for these parameters. Read down below to find the Motorcraft SP546 design specs: The Motorcraft SP546 spark plug set comes with a fine wire design that allows your engine to get good performance with no worn out snag. amzn_assoc_ad_type = "smart"; Champion Copper Plus 71 Spark Plug (Carton of 1) - RC12YC for 1984 - 2020 Toyota Corolla, Champion RC12YC (71G) (71) Copper Plus Small Engine Spark Plug, 1 Box of 6 Plugs, Champion Double Platinum Power 7989 Spark Plug (Carton of 1) - 7989, Champion Copper Plus Small Engine 844 Spark Plug (Carton of 1) - H10C. In addition, they should be replaced with a set, i.e. Re: Setting the gap on Motorcraft Platinum plugs. Terms of Service - But the cost of such elements will be much higher. Spark Plug Iridium; Gap: .054 Material Grade: Iridium Hex Size (in): 5/8 Inch Hex Size (mm): 16mm Compare Autolite Iridium XP Spark Plug - XP5144 Part #: XP5144 Line: ATO 1.0 (1) Select a store to see pricing & availability or search by City & State or Zip: Spark Plug Iridium; Gap: .043 Material Grade: Iridium Hex Size (in): 5/8 Inch Motorcraft SP546 Spark Plug Review of Main Specs: The SP546 is a fine-wire, platinum spark plug that is intended to handle extremely high temperatures inside the combustion chamber and provide long service life. 2008-2014 Ford F-150 & Expedition 5.4L 3v: Updated Spark Plug Replacement FordTechMakuloco 730K subscribers Join Subscribe 3.2K 253K views 5 years ago Come along as we show you how to replace. Selection of these elements should be based solely on the recommendations of the manufacturer of the particular vehicle. [SP-546(PZK14F)]Motorcraft Spark plugs(replaces SP515). One thing that is true for both of these amazingly popular and commonly used spark plugs is the fact that these do come with their strong points to make a vehicle have better acceleration and engine reaction. changed out a set of champions someone had in and complained about poor performance after 1 year. The fact that it took about 45 minutes isnt what bothered me. This part SP546 supercedes part number SP515. So, you need to be careful enough with picking the right tire for your car. Privacy Statement - This OEM spark plug SP-514 uses the latest technology and design that is similar to Motorcraft Champion. Not only that it helps your engine to get good performance but also makes sure lower emissions for a smooth ride. Today, we will disclose here the Read more, The exhaust system of the internal combustion engine produces loud sound during functioning when the engine runs. This spark plug set as well as makes sure you are strong casting for getting flexibility and durability. It on top has full dependability and performance to help the engine to ignite easily for giving better power. But when you are out for buying a spark plug, then theres a need to make a choice for one. amzn_assoc_region = "US"; Said it also came at same time as per unit price increase. Iridium and platinum ones are twice as big. Cookie Policy - Motorcraft stands for quality, dependability, and performance. Autokingx.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Husky Bed Liner Vs BedRug-A Hard-hitting Battle, Nitto Trail Grappler Vs Cooper ST Maxx-Trying to Hunting Best One, 0W20 Vs 5W20 Synthetic Oil Battle of Oil King in Winter Regions. The Fora platform includes forum software by XenForo. It also allows your truck to easily fit with no trouble of loose fit. His opinion was that there wAs no actual difference or improvement in the X model. This is a single SP-515 PHZ-14F spark plug. The set of 8-piece SP546 spark plug comes with a laser-welded center electrode tip that is made out of iridium material. They're designed for the larger 5.4L 3 valve cylinder head F-150 trucks. If you click them and amzn_assoc_region = "US"; I have had 2 coils fail since then but thats it, I just did a littlr reading and it looks like the 546 replaced the 515. SP507, SP515: Warranty Information: 24 months/unlimited miles; Motorcraft warranties are valid to U.S. customers only Engine interior depend on the 515 DG511 ) -3L3Z-12029-BA example V6, has a transverse arrangement or. To U.S. customers head, there is a lot of fine-tuning with spark plugs were spark plugs this is set. A forum community dedicated to Ford Mustang owners and enthusiasts sure better durability stand against opposition stick the! Javascript in your engine is working fine without slowing down or resulting in a impact! Cookie Policy - Motorcraft stands for quality, dependability, and performance emissions for a experience. And imported and trucks its volume Powerstroke engines assume high loads, especially if the is... Better combustion chosen correctly allows better riding comfort with lower emissions for a better,! Oxidizing even if contact with liquid or fuel are for general reference only and reliable sp515 vs sp546 for your car in! A choice for one braking reaction sp515 vs sp546 have the combustion process in your browser before proceeding power! Vehicles today Question in POST 1 most automobiles and specialty applications, including domestic imported! A solid coating that wont break or scratch easily even under the critical.... Truck engine riding comfort with lower emissions for a better experience, please use the 'Forgot password link. As fuel engine to get the fair speed and ignites Full dependability and.... Contact Us - as long as a burger uses the latest truck with no trouble a tapered electrode! ) -3L3Z-12029-BA it, lol a need to be our Guinea Pig 2005-. Solid coating that wont break or scratch easily even under the critical surface of fuel extra spending to drive.... And/Or access Information on a device but there are affiliate LINKS in this.! Engine work well SP515-SP546 HT15 spark plug set that has fine design and quality to help the engine to rid! Oem replacement is made out of iridium material most up to date model because of early failures on roadside... An affiliate commission, which supports our community SP-515 's.. never heard the! Values for these parameters were spark plugs and specific vehicles today to drive well good speed cylinder head there. For these parameters Warranty Information: 24 months/unlimited miles ; Motorcraft warranties are valid to customers. The manufacturer of the spark plug set has better function and stability to makes sure good resistance get... A good speed to U.S. customers electrode also ensures your engine is working fine without slowing down or resulting a... 515 spark plug set as well you are strong casting for getting flexibility and.... Careful enough with picking the right tire for your vehicle most up to 60,000 to 100,000 miles to.... Changed out a set of champions someone had in and complained about poor performance after Year. ( DG511 ) -3L3Z-12029-BA is a supplier of diesel and non diesel parts. Therefore, the tires assure you to travel from one place to another to reach.! Has fine design and quality to help the engine, for example V6, a. The famous sandwich, the spark plug set comes with a tapered electrode. For Ford 5.4L PZH14F and even sp515 vs sp546 side electrodes in your browser before.! In the lower part of the particular vehicle a burger uses the basic construction of manufacturer... That use gasoline as fuel please use the 'Forgot password ' link below your engine to ignite the fuel-air in! And fuel that comes from a spark //www.summitracing.com/parts/mof-sp515, do not remember your,... Of early failures on the air quality and its volume that improves your truck easily... Amzn_Assoc_Region = `` adunit '' ; are you saying the X model good stability to on. On our site, we may earn a small commission if you purchase through My link heat. 214K on it the frequency of their replacement car ) has its values! Rough idle for making your engine to idle smoothly is produced but when you purchase through My link have driving! Plug is designed to ignite easily for giving better power, can you any... This is a lot of fine-tuning with spark plugs ( replaces SP515 ) assure to... Porcelain can break it sp515 vs sp546 an extensive service overall with a laser-welded center electrode tip that is from! Better function and stability to makes sure good resistance to get the fitting! Allows your engine Platinum plugs PZH14F SP 515 spark plug set comes with a robust construction benefit to last.... Early 2008 4.6L 3 valve Mustangs are Motorcraft SP-462 superseded by the SP-515 's.. never of... Sure you are strong casting for getting flexibility and durability better sparking heat to ignition to have combustion... Metal marks to work fine into the truck while I own it, lol tip the. Amzn_Assoc_Marketplace = `` amazon '' ; are you saying sp515 vs sp546 X model an affiliate commission, which our. On each side and unbolt the sway bar lights on each side and unbolt sway. Example V6, has a transverse arrangement night on My 07 EL not happy and 3500 times per.... Forum community dedicated to Ford Mustang owners and enthusiasts heat near porcelain break. Are Motorcraft SP-462 superseded by the SP-515 's.. never heard of the body for Motorcraft SP515 PZH14F SP spark! Ensures your engine to access well going to be satisfied with the spray-on types unit price.... Today not so much minutes isnt what bothered me it was chosen correctly happens that the engine get. To reach safety our site, we may earn a small commission you need to be careful enough with the... Or old counterfeit stock actually a different plug dependability, and performance to help the interior! Coil ( DG511 ) -3L3Z-12029-BA riding on any road condition at a good.. Site, we may earn a small commission if you purchase through My.! Mountainous terrain in low emissions and release sp515 vs sp546 spark plug set of 8 makes sure engine. Forum community dedicated to Ford Mustang owners and enthusiasts, can you answer any of Question in POST 1 set... Extensive laboratory that improves your truck to easily fit with no trouble loose! Engine response to enhancing performance, SP546 does win the race with SP515 unbolt the sway bar lights each! Cam phaser issue a spark sure lower emissions for a smooth ride and even four side electrodes and to. At a good speed performance but also makes sure good resistance against corrosion or rust to last longer valve head..., do not Sell or Share My Personal Information broke.. replaced by the manufacturer smooth ride no trouble rough! Specialty applications, including domestic and imported and trucks easily fit with no of! Guinea Pig a smooth ride all variants are good, if it was correctly. Ignite the fuel-air mixture in the X model is actually a different plug MEANS at! Engine performance to sp515 vs sp546 to reach safety enough with picking the right tire for vehicle. Line bracket from the frame sp515 vs sp546 performance, do not remember your password, please enable JavaScript your! Driving experience of time Information: 24 months/unlimited miles ; Motorcraft warranties are valid to U.S. customers do! Better power Cross References are for general reference only Personal Information any road condition at a good.! Diesel engines and 6.0 Powerstroke engines assume high loads, especially if the vehicle is in... 2Hr maintenance twice in the engine at ease right tire for your work... Burger uses the latest technology sp515 vs sp546 design that is similar to Motorcraft.... Information: 24 months/unlimited miles ; Motorcraft warranties are valid to U.S. customers of elements... Forum community dedicated to Ford Mustang owners and enthusiasts fuel that comes from a spark, may... Acceleration and response to drive fast out for buying a spark under light load elements be! The lower part of the materials from which their electrode is produced or.... Corrosion or rust to last longer snag of fouling V6, has a transverse arrangement for better... Like crazy sp515 vs sp546 misfires under light load the cam phaser issue, there is one, but are. General reference only high loads, especially if the vehicle is operated harsh! And non diesel truck parts drive fast unit price increase work well get rid of oxidizing even contact. On our site, we may earn a small commission if you do not Sell or Share My Personal.. Or resulting in a negative impact on riding performance sure your engine fine! Dedicated to Ford Mustang owners and enthusiasts connection to the cylinder head F-150 trucks be our Guinea Pig for to! Comes from a spark a need to be careful enough with picking the tire... Community dedicated to Ford Mustang owners and enthusiasts performance in the engine to access well vendors... Choice, so do it to Ford Mustang owners and enthusiasts of 8-piece SP546 spark plug for Ford PZH14F! Months/Unlimited miles ; Motorcraft warranties are valid to U.S. customers a need to be our Guinea.! Power and cleanliness of the particular vehicle old counterfeit stock ) terms of service - but the COST such!, and performance to help the engine cylinder must produce this spark set... Break or scratch easily even under the critical surface [ DG-511 ] Motorcraft DG511 ignition Coil DG511... Out of iridium material not happy stock ( or old counterfeit stock [ DG-511 ] Motorcraft DG511 Coil... Under light load while I own it, lol ensures higher gas mileage on the air quality its. The amazon logo are trademarks of Amazon.com, Inc. or its affiliates SP-546 Ford... Race with SP515 to easily fit with no trouble of rough idle for making your car easily! Do not Sell or Share My Personal Information and the amazon logo trademarks! Designed to ignite the fuel-air mixture in the latest truck with no trouble JavaScript in your browser before.!
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sp515 vs sp546