The NGK LTR71X-II is one step colder than the original spark plug. This is a standard heat range spark plug and is the stock spark plug in any Focus ST or RS. The company claimed some kind of ridiculous hp increase, but the Autolites blew it away- … Now I just have a doubt about the plugs.. Benefit from perks like our free battery charging and engine diagnostic testing the next time you visit your local store. Go. Spark plugs are directly linked to your car starting and are an essential engine component that should be well maintained. 0. This listing is for a SET of NGK LTR7IX-11 (6510) Spark plugs for all Ecoboost vehicles. Get a free detailed estimate for a spark plug replacement in your area from KBB.com Increased wear is typically seen in the form of increased spark plug gap and degradation of the electrode. Shop replacement Spark Plugs online today. Focus . Performance & security by Cloudflare, Please complete the security check to access. 3 watching. Order spark plugs for Ford Focus from AutoZone, where you always find the right parts at the right prices. If however your RS is remapped to 400BHP+ then these are very good Plugs. The Denso ITV22 Spark Plugs are “one step colder” than the OEM Plugs so if your car is standard I wouldn’t advise fitting these as they may have a tendency to foul up/carbon up and could eventually lead to a misfire. The average price of a 2014 Ford Focus ST spark plug replacement can vary depending on location. You may need to download version 2.0 now from the Chrome Web Store. YEAR RANGE FOR FORD FOCUS BY MODEL. Focus ST Garage. Focus ST/RS owners! Focus ST Performance. We offer first class mail options for delivery in a 3-4 days, and we offer priority mail for 2 day delivery on average. That's at least a 14% difference from recommended. Where's that old thread where Turbo Tom put a stock Focus on the dyno and compared the output of some high tech $8 iridium spark plug to $2 Autolite 103's. Please re-enable javascript to access full functionality. The spark plugs on your Focus can also be fouled by oil contamination or overly-rich fuel mixtures. I have a 2016 Focus St stock with the exception of the Turbosmart BOV and Injen Intake, no tune.. Today I decided that at 9,500 miles I should change the spark plugs to the NGK iridium ones from CJPony. Engines running higher boost points or increased levels of tuning can experience reduced spark plug life resulting in lower engine performance, misfires and rough idle. Ecoboost Mustang Ecoboost F-150 Focus ST Fiesta ST Fusion Ecoboost NGK 6510 1 step colder spark plugs for most Ford Ecoboost Vehicles. These spark plugs are designed specifically for the performance enthusiast so they are perfect for the 2013-2018 Focus ST or 2016-2018 Focus RS that has lots of upgrades and high boost applications installed. Hello, I know the service manual lists the stock spark plug gap as .035" but I am wondering what the spark plug gap tolerance is. Time for that spark plug replacement on your Volvo or ford st 2.5?? Click & Collect (£6.95/Unit) £2.95 postage. Applications: Focus ST 2013-2017 Features: Smoother acceleration Perfect for high boost applications Supplied pre-gapped by mountune Please note: Supplied in a pack replacing the spark plugs on your 2011 to 2014 Ford Focus but don't know where to start? 1; 2; Next. Sign In; Create Account ; Forums. Your IP: 213.215.83.1 Menu. Description. We can get these to you fast! For a stock car the stock plug is fine, but if you were to up the boost with an aftermarket tune or the Ford Racing tune it's recommended to go with a colder spark plug. Spark Plugs are as essential to the way your engine runs as a Starter is to make the engine start and keep running. Heavier use. The spark plugs are subject to rapid wear rates, even at standard performance levels. Thank You EDGE AUTOSPORT!!! The MicksGarage.com Experts demonstrates .com demonstrates how to change the spark plugs on a mk1 Ford Focus 1.4 Zetec. Why? Set of Four NGK Iridium IX Spark Plugs for all 2013, 2014, 2015, 2016, 2017 and 2018 Focus STs and 2016, 2017 and 2018 Focus RSs. The biggest difference in these Focus ST spark plugs is the length of the insulator nose, which affects the heat range. Applications: Focus RS 2016-2018 Features: Smoother acceleration Perfect for high boost applications Supplied pre-gapped by mountune Please note: Supplied in a pack . Thanks . Spark Plugs are what gets your engine going and what ignites the gasoline. Another way to prevent getting this page in the future is to use Privacy Pass. Ford Performance Focus ST/Focus RS Cold Spark Plug Set (2013-2018) New list: Close Add to List. If your Ford Focus is misfiring or if it is having difficulty starting, check the condition of the spark plugs. Each set is supplied pre-gapped by mountune to optimise the setting and allow for easier end-user installation. • 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. Whether you’re a seasoned mechanic or not, locating the spark plugs in a combustion engine is fairly straightforward. Genuine Ford Focus ST/RS Spark Plugs 1505812 (PRICE IS PER UNIT) 5 out of 5 stars (3) 3 product ratings - Genuine Ford Focus ST/RS Spark Plugs 1505812 (PRICE IS PER UNIT) £6.95. We keep these plugs in stock for fast shipment. This is a set of 4 NGK Iridium IX Spark Plugs for all 2013-2014 Focus STs. I've got an 08 and looking to do the sane for when I get mine serviced is your the facelift. I just measured my plugs and they are greater than .040" but less than .045" for gaps. The NGK LTR71X-II is one step colder than the original spark plug. It is cheap to replace so you could try something a step colder and return to stock if you don't like them. 1 of 2 Go to page. Email. Yes mines a face lift.. Local Ford dealer quoted me £7.50 each for RS plugs.. Is that fitted, or just the parts?£40 for 5 is about the going rate. I used the denso itv22 and they work as well as stock. Jump to Latest Follow 1 - 20 of 33 Posts. Stocks are a great plug and same price as the denso. Jump to content. Cloudflare Ray ID: 60a795961d9627a0 .... or was that the Mountune kit they put on at same time! NGK Iridium plugs are our best selling spark plug. • Spark plugs. These are pre-gapped and ready to install to our recommended spec for your vehicle based … You currently have javascript disabled. Please enable Cookies and reload the page. If your car is misfiring or having problems starting, the chances are that its a problem with your spark plugs. The reason why there are so many people specifying colder plugs for the Focus ST is the fact that from the factory it's already running a very hot tune with high cylinder temperatures and pressures. These new Focus ST spark plugs don't use less voltage or less electrical energy, but are just temperature matched to the range in which the plug works best thermally. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. [facepalm] another spark plug thread. 7955718. Community Forum Software by IP.BoardLicensed to: FocusSTOC.com - Club Network Limited - No. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Several functions may not work. OEM Ford and Motorcraft® Spark Plugs ensure your vehicle runs just as designed without any issues. They are designed specifically for the performance enthusiast so they are … want to save money by doing it yourself but dont know how? Page 1 of 2 - Spark plugs RS / ST ???? I got them from Opie Oils at a cost of £31 plus £1:25 delivery, very well priced. If you're making robust modifications to your Focus RS or ST, it might become necessary to upgrade the spark plugs to keep up! This is not recommended for shared computers, Back to Focus ST Mk2 Non Technical Discussion. Ecoboost Mustang Ecoboost F-150 Focus ST Fiesta ST Focus RS Mustang GT Fusion . https://www.patreon.com/user?u=16550092 Please like, share, favorite and subscribe!!! the ST supplement states every 50k miles for the turbo car spark plugs. ( 2013-2018 ) New list: Close Add to list the Chrome web.... Check the condition of the insulator nose, which affects the heat range pre-gapped by mountune to optimise setting... 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