Recommended Gap: .027-.030 Note: Becareful gapping your Iridium Spark Plugs Purchased from Adv Auto for $33 with online discount. The biggest difference in these Focus ST spark plugs is the length of the insulator nose, which affects the heat range. FOCUS ST/RS/MUSTANG ECOBOOST COLD SPARK PLUG SET Buy Now. I bought one step colder NGK Iridium IX Spark Plug Part No 6510. Had it towed back to the service department and got a rental. M-12405-20T Buy Now. Buy this Set of Ford Performance Cold Spark Plugs for your 2013-2018 Focus ST and 2016-2018 Focus RSs from CJ Pony Parts today! OEM Ford and Motorcraft® Spark Plugs ensure your vehicle runs just as designed without any issues. Hopefully it stays away, but … They're not even necessary with a tuned engine. If you are running a Stage 2 or more aggressive set up, these plugs are highly recommended. I’ve heard good things about projected tip and duspark plugs in turbocharged cars. :ST: MODS: COBB AP - COBB FMIC - COBB CAI - COBB CBE - COBB DP - COBB RSB - COBB Springs - COBB Foust Shift Knob - Green Filter - TTRacing PSMM - CP-E Stage 2 RMM - Forge BlowOff Valve - Ford Racing Oil Breather - JLT Oil Separator - ITV22 Spark Plugs - Steeda Shift Bracket - RLTuning Hood Struts - RallyArmor Mud Flaps - MGP Caliper Covers - DMB Badge Overlays - 7.5w … But even for the regular model, the addition of top-notch spark plugs is what can substantially improve engine characteristics. Lots of details on this forum and the Focus ST forum on them and the Ngk LTR71X-11. LT (Long thread reach plug Tapered seat type 25mm) R (Resistor) 6 (heat range) D (Metal Shell Plating Spec Change) I (Laser Iridium) - 8 (0.8mm or .032") Applications: Focus ST 2013-2017 Features: Smoother acceleration Perfect for high boost applications Supplied pre-gapped by mountune Please note: Supplied in a pack The spark plugs come out of the box with a gap somewhere between 45 and 50 thousandths. M-9603A-FSTA. focus st/rs/mustang ecoboost cold spark plug set. Now they are saying the cause of the issue is the stock spark plugs being defective and they want 330$ to replace them with the recommended new plugs. Shop replacement Spark Plugs online today. These are pre-gapped and ready to install to our recommended spec for your vehicle based on fuel. I had previously done an oil change with royal purple SAE 5w30 approx. Cannot go wrong with the stock plugs you can close the gap a little. Pulled the plugs, seemed fine, all gapped correctly and evenly. Its gotten progressively colder in the mornings, and I haven't had the misfire pop up yet. Old plugs removed were OEM and have done 23,000 … 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. The NGK LTR71X-II is one step colder than the original spark plug. This is a copy/paste from the workshop manual: The Ford GT and Nissan GTR both use a dual fine tip spark plug. I had a few cold start cylinder 1 misfires on my '16 about a month ago. MSRP $873.00 2016-2018 FOCUS RS REAR SPOILER KIT. MSRP $933.00 0 parts found. These spark plugs do not come pre-gapped, and we recommend you change the gap on these plugs before installing them. For $2 more a plug I felt it was worth a try. m-12405-35t . Each set is supplied pre-gapped by mountune to optimise the setting and allow for easier end-user installation. Longer insulator noses allows the plugs to remain hotter, while a more exposed surface area on the plug allows for easier heating. 2000 miles ago so there is no way it should have been that low. 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. Reduces detonation sensitivity because it transfers heat faster keeping your combustion chamber cooler. Morning All!! Cure misfires in one hit. In fact the person I talked to said he would only recommend colder plugs for a built engine with a big turbo. Simply the best and longest lasting Up to 60,000 mile life. (0.71mm). 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 Idle is better and so far throttle response is better. So I don't know that much about cars, but have been recently researching about them. msrp $58.00 3v cold spark plug (16 mm thread) m-12405-3v0a . I cleared the code, and replaced the plugs with 1 step colder plugs gapped to .26. Gapped and put in new plugs. Try another search, or select a category. Not all Ford Performance Parts may be installed on vehicles that are driven on public roads. 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. This is a standard heat range spark plug and is the stock spark plug in any Focus ST or RS. If you're making robust modifications to your Focus RS or ST, it might become necessary to upgrade the spark plugs to keep up! For standard engines and mountune performance upgrades, we recommend and use standard heat range spark plugs. 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. 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? 2013-2018 FOCUS ST CALIBRATION, SPARK PLUGS AND COLD AIR INTAKE. Simply fit and virtually forget. Therefore making parts and labour a total cost £ 86.00 (inc. VAT).. SLD SLD: Mountune Cold Air intake and induction hose (2016+), OEM Plugs, few other small items. 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 The NGK LTR71X-II is one step colder than the original spark plug. M-5844210-RS. These plugs are designed for use in the 2013-2018 Ford Focus ST and the 2016-2018 Ford Focus RS. I found that there's a general consensus that the Motorcraft SP-537 are the go-to spark plugs for our car. Denso Iridium Spark Plugs feature the world's smallest center electrode, measuring 0.4mm in diameter. msrp $91.00 2010-2019 3.5l ecoboost cold spark plug set. Iridium High Power Spark Plugs Ford Focus RS Mk3. :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 … Spark Plugs are what gets your engine going and what ignites the gasoline. For optimum power and performance we use genuine Ford Iridium spark plugs and replace them every 10,000 – 12,000 miles. 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. 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: You definitely don't want colder plugs on a stock engine. replacing the spark plugs on your 2011 to 2014 Ford Focus but don't know where to start? Unreal's Focus ST Project: "Belle" - 2nd Oil Change & Spark Plug Change Also make sure the engine is cool before removing or installing plugs. This set of four spark plugs comes pre-gapped to 0.028-inch (0.71mm) and are two heat ranges colder than stock. 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. Ford Focus Spark Plugs Rust and water problem Misfire Cylinder 1 2 3 4 Iridium High Power Spark Plugs Focus ST170 - Denso. We use these plugs on all of our Focus ST builds. Spark Plugs are as essential to the way your engine runs as a Starter is to make the engine start and keep running. 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 OEM spark plug gap is generally .027-.031 from the factory, and we recommend a gap of .025-.027. These Denso ITV22 spark plugs for your Ford Focus ST are one heat range colder. Spark plugs require a 5/8" socket to remove it. m-12405-20t . Changing the plugs or at least regapping them seems to be one of the first troubleshooting steps for turbocharged cars. Focus ST 170 Denson Iridium ITV 20-22 Series Spark Plugs. Directly replace the factory spark plugs. 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 … Butt dyno feels better too! 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!! Applications: Focus RS 2016-2018 Features: Smoother acceleration Perfect for high boost applications Supplied pre-gapped by mountune Please note: Supplied in a pack The Focus ST, we suggest between 30 and 32 thousandths. The plug allows for easier heating the plugs to remain hotter, while a more exposed surface on... 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