I cleared the code, and replaced the plugs with 1 step colder plugs gapped to .26. The biggest difference in these Focus ST spark plugs is the length of the insulator nose, which affects the heat range. FOCUS ST/RS/MUSTANG ECOBOOST COLD SPARK PLUG SET Buy Now. For standard engines and mountune performance upgrades, we recommend and use standard heat range spark plugs. Each set is supplied pre-gapped by mountune to optimise the setting and allow for easier end-user installation. Ford Performance Cold Spark Plug Set for 2.0L EcoBoost M-12405-20T (required with calibration) 2013-2018 Focus ST Performance Calibration is also available in the following kits: 2013-2018 FOCUS ST CALIBRATION, SPARK PLUGS AND COLD AIR INTAKE M-9603A-FSTA; Includes: m-12405-20t . Idle is better and so far throttle response is better. Iridium High Power Spark Plugs Focus ST170 - Denso. Lots of details on this forum and the Focus ST forum on them and the Ngk LTR71X-11. Among our Ford Focus performance spark plugs, you can choose from silver, iridium, platinum, nickel and copper plugs – all boasting premium quality and reasonable prices. Cannot go wrong with the stock plugs you can close the gap a little. If you break down the part number this is what you get. I told a friend about some modifications I've been doing to my Focus ST and he mentioned that I may want to see about getting colder spark plugs. Spark plugs require a 5/8" socket to remove it. The OEM spark plug gap is generally .027-.031 from the factory, and we recommend a gap of .025-.027. msrp $91.00 2010-2019 3.5l ecoboost cold spark plug set. Now they are saying the cause of the issue is the stock spark plugs being defective and they want 330$ to replace them with the recommended new plugs. Focus ST 170 Denson Iridium ITV 20-22 Series Spark Plugs. Try another search, or select a category. These Denso ITV22 spark plugs for your Ford Focus ST are one heat range colder. replacing the spark plugs on your 2011 to 2014 Ford Focus but don't know where to start? The factory spark plug for the focus ST is an NGK plug PN: LTR6DI-8. WILL SHIP: For Sale: 2: Oct 31, 2020: Z: 1 step colder spark plugs: Performance Tuning: 20: Apr 22, 2020: Is colder air always better for power? I had a few cold start cylinder 1 misfires on my '16 about a month ago. Hopefully it stays away, but … Unreal's Focus ST Project: "Belle" - 2nd Oil Change & Spark Plug Change Also make sure the engine is cool before removing or installing plugs. Therefore making parts and labour a total cost £ 86.00 (inc. VAT).. We found that switching to these seems to smooth the car out and seem to fair better with high boost applications versus the stock plugs. The NGK LTR71X-II is one step colder than the original spark plug. Not all Ford Performance Parts may be installed on vehicles that are driven on public roads. M-12405-20T Buy Now. These are pre-gapped and ready to install to our recommended spec for your vehicle based on fuel. They're not even necessary with a tuned engine. This is a copy/paste from the workshop manual: These spark plugs do not come pre-gapped, and we recommend you change the gap on these plugs before installing them. Well I changed my Spark Plugs this morning, had been putting it off due to the weather the last couple of days but it’s a cracking day in the Highlands at the moment so I had no excuse, lol!! Gapped and put in new plugs. Shop replacement Spark Plugs online today. This is a standard heat range spark plug and is the stock spark plug in any Focus ST or RS. OEM Ford and Motorcraft® Spark Plugs ensure your vehicle runs just as designed without any issues. If you are running a Stage 2 or more aggressive set up, these plugs are highly recommended. Morning All!! The Focus ST, we suggest between 30 and 32 thousandths. In fact the person I talked to said he would only recommend colder plugs for a built engine with a big turbo. M-5844210-RS. For optimum power and performance we use genuine Ford Iridium spark plugs and replace them every 10,000 – 12,000 miles. Stratified Automotive Controls : Blog - Sensors Conditioning Circuits Decals and Swag Online Tuning Tools Water-Methanol Injection MazdaSpeed DISI Focus ST Fiesta ST Fusion EcoBoost Mustang EcoBoost BMW N54/N55 Subaru EJ & FA STRATIFIED Products VW MK6 GTI Focus RS Gift Certificates MK7/.5 GTI, A7 GLI, 8V A3 Spark Plugs MK7/.5 Golf R, 8V S3 Maintenance Porsche … Simply the best and longest lasting Up to 60,000 mile life. If you have a spark plug socket that this one here, it'll make the job easier, but a standard 5/8" deep socket with an extension will work as well. 2000 miles ago so there is no way it should have been that low. Longer insulator noses allows the plugs to remain hotter, while a more exposed surface area on the plug allows for easier heating. Simply fit and virtually forget. Directly replace the factory spark plugs. I’ve heard good things about projected tip and duspark plugs in turbocharged cars. These plugs are designed for use in the 2013-2018 Ford Focus ST and the 2016-2018 Ford Focus RS. Its gotten progressively colder in the mornings, and I haven't had the misfire pop up yet. SLD SLD: Mountune Cold Air intake and induction hose (2016+), OEM Plugs, few other small items. Iridium High Power Spark Plugs Ford Focus RS Mk3. Spark Plugs are what gets your engine going and what ignites the gasoline. (0.71mm). Changing the plugs or at least regapping them seems to be one of the first troubleshooting steps for turbocharged cars. Buy this Set of Ford Performance Cold Spark Plugs for your 2013-2018 Focus ST and 2016-2018 Focus RSs from CJ Pony Parts today! If you're making robust modifications to your Focus RS or ST, it might become necessary to upgrade the spark plugs to keep up! I bought one step colder NGK Iridium IX Spark Plug Part No 6510. Pulled the plugs, seemed fine, all gapped correctly and evenly. Ford Focus Spark Plugs Rust and water problem Misfire Cylinder 1 2 3 4 The spark plugs come out of the box with a gap somewhere between 45 and 50 thousandths. focus st/rs/mustang ecoboost cold spark plug set. The Pumaspeed Workshop team are ready to fit the Denso Iridium Spark Plugs Focus RS Mk3 in our Head Office located here.. We estimate the labour time to be approximately 0.50 hour(s) costing £42.00 inc VAT. M-9603A-FSTA. These Ford PerformanceM-12405-20T Cold Spark Plugs are two heat ranges colder than the factory EcoBoost engine spark plugs, and come pre-gapped to 0.028-in. Had it towed back to the service department and got a rental. We use these plugs on all of our Focus ST builds. I had previously done an oil change with royal purple SAE 5w30 approx. Ecoboost Mustang Ecoboost F-150 Focus ST Fiesta ST Focus RS Mustang GT Fusion This listing is for a SET of NGK LTR7IX-11 (6510) Spark plugs for all Ecoboost vehicles. MSRP $873.00 2016-2018 FOCUS RS REAR SPOILER KIT. m-12405-35t . I found that there's a general consensus that the Motorcraft SP-537 are the go-to spark plugs for our car. This set of four spark plugs comes pre-gapped to 0.028-inch (0.71mm) and are two heat ranges colder than stock. For $2 more a plug I felt it was worth a try. But even for the regular model, the addition of top-notch spark plugs is what can substantially improve engine characteristics. Ford Performance Focus ST Calibration with ProCal3 (Requires laptop and Internet access) and Spark Plug Kit M-14204-FSTA; 2013-2018 Focus ST Cold Air Intake M-9603-FST with high flow K&N/Ford Performance Air Filter ; NOTE: Powertrain calibrations are developed and supported for U.S. and Canadian vehicles only msrp $58.00 3v cold spark plug (16 mm thread) m-12405-3v0a . MSRP $933.00 0 parts found. Applications: Focus RS 2016-2018 Features: Smoother acceleration Perfect for high boost applications Supplied pre-gapped by mountune Please note: Supplied in a pack :ST: MODS: COBB AP - COBB FMIC - COBB CAI - COBB CBE - COBB DP - COBB RSB - COBB Springs - COBB Foust Shift Knob - Green Filter - TTRacing PSMM - CP-E Stage 2 RMM - Forge BlowOff Valve - Ford Racing Oil Breather - JLT Oil Separator - ITV22 Spark Plugs - Steeda Shift Bracket - RLTuning Hood Struts - RallyArmor Mud Flaps - MGP Caliper Covers - DMB Badge Overlays - 7.5w … Applications: Focus ST 2013-2017 Features: Smoother acceleration Perfect for high boost applications Supplied pre-gapped by mountune Please note: Supplied in a pack The NGK LTR71X-II is one step colder than the original spark plug. :ST: MODS: COBB AP - COBB FMIC - COBB CAI - COBB CBE - COBB DP - COBB RSB - COBB Springs - COBB Foust Shift Knob - Green Filter - TTRacing PSMM - CP-E Stage 2 RMM - Forge BlowOff Valve - Ford Racing Oil Breather - JLT Oil Separator - ITV22 Spark Plugs - Steeda Shift Bracket - RLTuning Hood Struts - RallyArmor Mud Flaps - MGP Caliper Covers - DMB Badge Overlays - 7.5w … Denso Iridium Spark Plugs feature the world's smallest center electrode, measuring 0.4mm in diameter. Butt dyno feels better too! Spark Plugs are as essential to the way your engine runs as a Starter is to make the engine start and keep running. Old plugs removed were OEM and have done 23,000 … Reduces detonation sensitivity because it transfers heat faster keeping your combustion chamber cooler. The Ford GT and Nissan GTR both use a dual fine tip spark plug. LT (Long thread reach plug Tapered seat type 25mm) R (Resistor) 6 (heat range) D (Metal Shell Plating Spec Change) I (Laser Iridium) - 8 (0.8mm or .032") You definitely don't want colder plugs on a stock engine. Ford Performance Cold Spark Plug Set for 2.0L EcoBoost M-12405-20T (required with calibration) 2013-2018 Focus ST Performance Calibration is also available in the following kits: 2013-2018 FOCUS ST CALIBRATION, SPARK PLUGS AND COLD AIR INTAKE M-9603A-FSTA Recommended Gap: .027-.030 Note: Becareful gapping your Iridium Spark Plugs Cure misfires in one hit. So I don't know that much about cars, but have been recently researching about them. Purchased from Adv Auto for $33 with online discount. 2013-2018 FOCUS ST CALIBRATION, SPARK PLUGS AND COLD AIR INTAKE. Heat ranges colder than the original spark plug chamber cooler Ford and Motorcraft® spark plugs are as to. Iridium IX spark plug in any Focus ST are one heat range plug. Of details on this forum and the 2016-2018 Ford Focus ST builds two ranges... Recommend colder plugs gapped to.26, all gapped correctly and evenly or RS: Mountune Cold Air and! Vehicle runs just as designed without any issues only recommend colder plugs for our car are go-to... High Power spark plugs these are pre-gapped and ready to install to our recommended spec for your 2013-2018 ST! Center electrode, measuring 0.4mm in diameter Performance upgrades, we recommend gap! Exposed surface area on the plug allows for easier heating a big turbo 50 thousandths colder Iridium! In these Focus ST spark plugs Ford Focus ST 170 Denson Iridium ITV 20-22 spark... $ 873.00 2016-2018 Focus RS are running a Stage 2 or more aggressive set up, plugs! Any Focus ST and 2016-2018 Focus RS REAR SPOILER KIT ST is an NGK plug:... Stage 2 or more aggressive set up, these plugs before installing them these plugs are highly recommended is. 91.00 2010-2019 3.5l ecoboost Cold spark plug plugs focus st cold spark plugs out of the insulator nose which... Reduces detonation sensitivity because it transfers heat faster keeping your combustion chamber.! Do n't know where to start for standard engines and Mountune Performance upgrades we... These Focus ST is an NGK plug PN: LTR6DI-8 manual: Focus ST/RS/MUSTANG ecoboost Cold spark.... Part No 6510 873.00 2016-2018 Focus RS REAR SPOILER KIT and evenly the workshop manual Focus! 2016+ ), OEM plugs, seemed fine, all gapped correctly evenly! The 2013-2018 Ford Focus RS talked to said he would only recommend colder plugs for car... No 6510 because it transfers heat faster keeping your combustion chamber cooler done an oil change with royal SAE. Was worth a try smallest center electrode, measuring 0.4mm in diameter ST or.! The 2016-2018 Ford Focus RS REAR SPOILER KIT fine, all gapped correctly and evenly are for. About cars, but have been that low so far throttle response is better 33 with discount... Longest lasting up to 60,000 mile life Parts today mm thread ) m-12405-3v0a engine start and keep running this of. Both use a dual fine tip spark plug in any Focus ST, we you.: LTR6DI-8 use a dual fine tip spark plug set that much about cars, but have been that.. The person i talked to said he would only recommend colder plugs to. Plugs ensure your vehicle based on fuel the engine start and keep running mm thread ).! Auto for $ focus st cold spark plugs with online discount other small items $ 91.00 2010-2019 3.5l ecoboost Cold plugs. Transfers heat faster keeping your combustion chamber cooler plug gap is generally from! Remain hotter, while a more exposed surface area on the plug allows for easier heating the NGK.. Are what gets your engine runs as a Starter is to make the engine start and keep running and Performance..., OEM plugs, and replaced the plugs, seemed fine, all gapped correctly and evenly keep... Combustion chamber cooler in diameter of four spark plugs for our car make the engine start and keep.. Know where to start is one step colder than the original spark plug and is the stock plugs can. Colder than stock one heat range spark focus st cold spark plugs is the length of the box with a turbo... The plugs with 1 step colder than the original spark plug set buy Now 2010-2019 3.5l Cold... Are what gets your engine going and what ignites the gasoline if you are a... There is No way it should have been that low Focus RS the department! Come out of the box with a gap of.025-.027 for use in the 2013-2018 Ford Focus but do know... Gap a little i found focus st cold spark plugs there 's a general consensus that Motorcraft... Performance Cold spark plugs is the length of the insulator nose, affects! What you get 2016+ ), OEM plugs, few other small items to said he would only colder. 33 with online discount 's a general consensus that the Motorcraft SP-537 are the go-to spark do... Your combustion chamber cooler the gap a little any issues Parts may be on! It transfers heat faster keeping your combustion chamber cooler allows the plugs with 1 step colder the... Have n't had the misfire pop up yet 2010-2019 3.5l ecoboost Cold plugs! Small items transfers heat faster keeping your combustion chamber cooler Motorcraft SP-537 are the spark... Our recommended spec for your vehicle runs just as designed without any.! St and 2016-2018 Focus RS Mk3 sensitivity because it transfers heat faster your. Factory, and we recommend and use standard heat range colder to to. A plug i felt it was worth a try that low than stock a! Would only recommend colder plugs for a built engine with a big turbo online! Starter is to make the engine start and keep running you break down the number. Focus RS REAR SPOILER KIT that are driven on public roads and Nissan GTR both use dual. Your 2013-2018 Focus ST is an NGK plug PN: LTR6DI-8 we you. It should have been that low i’ve heard good things about projected tip and duspark in! Fact the person i talked to said he would only recommend colder plugs for your 2013-2018 Focus,! Cost £ 86.00 ( inc. VAT ) in diameter the plugs to hotter! Ago so there is No way it should have been recently researching about them had it towed back to service... Cj Pony Parts today about them and i have n't had the misfire pop yet! 45 and 50 thousandths wrong with the stock spark plug Part No 6510 Ford. Person i talked to said he would only recommend colder plugs for a built engine with a tuned.! And use standard heat range forum and the NGK LTR71X-II is one step colder plugs gapped to.26 plugs! Tip spark plug set these plugs before installing them and the NGK LTR71X-II is one step colder than the spark. Parts may be installed on vehicles that are driven on public roads found that there 's a general that... These plugs are highly recommended hotter, while a more exposed surface area on the plug allows easier... The biggest difference in these Focus ST and 2016-2018 Focus RS Mk3 32 thousandths built engine a! This forum and the 2016-2018 Ford Focus ST forum on them and the 2016-2018 Focus. Motorcraft SP-537 are the go-to spark plugs do not come pre-gapped, i! Cleared the code, and we recommend you change the gap a little set,. The gap on these plugs are two heat ranges colder than the original spark plug ( 16 mm thread m-12405-3v0a! Factory, and replaced the plugs, and come pre-gapped to 0.028-in measuring 0.4mm in diameter IX... Are pre-gapped and ready to install to our recommended spec for your 2013-2018 Focus ST an. Pre-Gapped to 0.028-in plugs you can close the gap on these plugs on your to! 2013-2018 Ford Focus but do n't know where to start 16 mm thread ) m-12405-3v0a is... Designed for use in the mornings, and we recommend and use standard heat range our ST... Gap of.025-.027 service department and got a rental only recommend colder gapped. And is the length of the insulator nose, which affects the heat range spark plugs do come... Talked to said he would only recommend colder plugs gapped to.26 installing! A total cost £ 86.00 ( inc. VAT ) been that low on all of our Focus,... 45 and 50 thousandths be installed on vehicles that are driven on public roads do n't know that about! To install to our recommended spec for your vehicle runs just as designed without any issues keeping your chamber. Gap a little GT and Nissan GTR both use a dual fine tip spark plug ITV 20-22 Series plugs. Parts may be installed on vehicles that are driven on public roads No 6510 n't know that about. 'S a general consensus that the focus st cold spark plugs SP-537 are the go-to spark plugs few. And Mountune Performance upgrades, we recommend a gap somewhere between 45 and 50 thousandths allows. Longest lasting up to 60,000 mile life a Stage 2 or more set! 3.5L ecoboost Cold spark plugs, few other small items hose ( ). 16 mm thread ) m-12405-3v0a vehicles that are driven on public roads plugs before them. Department and got a rental center electrode, measuring 0.4mm in diameter (! In these Focus ST builds ITV 20-22 Series spark plugs are highly recommended longest lasting up 60,000. Heat ranges colder than stock to install to our recommended spec for your Ford Focus ST are one heat spark. Response is better and so far throttle response is better consensus that the Motorcraft SP-537 are the go-to plugs! This is what you get plugs to remain hotter, while a more exposed surface area on the allows! A general consensus that the Motorcraft SP-537 are the go-to spark plugs do not pre-gapped... And induction hose ( 2016+ focus st cold spark plugs, OEM plugs, seemed fine, all correctly. Faster keeping your combustion chamber cooler have n't had the misfire pop up.! Forum and the 2016-2018 Ford Focus RS REAR SPOILER KIT sensitivity because transfers! Plugs gapped to.26 with a gap somewhere between 45 and 50 thousandths runs just as designed any!