{"title":"Ford Focus ST250 Servicing \u0026 Maintenance","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\" data-end=\"738\" data-start=\"624\"\u003eKeep your MK3 Ford Focus ST250 reliable and performing properly with our range of servicing and maintenance parts.\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"874\" data-start=\"743\"\u003eBrowse engine oil, filters, spark plugs, fluids, belts and Genuine Ford replacement components for standard and tuned ST250 models.\u003c\/p\u003e\n\u003cp data-end=\"1004\" data-start=\"879\"\u003e\u003ca href=\"https:\/\/wayside-performance.co.uk\/pages\/mk3-focus-st250-tuning-guide-stage-1-stage-2-wayside-performance\" target=\"_blank\"\u003eRead our Focus ST250 tuning guide\u003c\/a\u003e for modification advice, or \u003ca href=\"https:\/\/wayside-performance.co.uk\/collections\/mk3-focus-st250\" target=\"_blank\" rel=\"noopener\"\u003ebrowse our complete range of MK3 Focus ST250 performance parts.\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"genuine-ford-focus-mk3-rs-spark-plugs-set-of-4-2-3-2-0-ecoboost","title":"Genuine Ford Focus MK3 RS Spark Plugs set of 4 - 2.3 \u0026 2.0 Ecoboost","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cspan size=\"5\" style=\"font-size: x-large;\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eGenuine Ford spark plugs for MK3 Ford Focus RS and popular upgrade for MK3 Focus ST250\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan size=\"5\" style=\"font-size: x-large;\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan size=\"5\" style=\"font-size: x-large;\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eSold as set of 4\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Genuine Ford","offers":[{"title":"Default Title","offer_id":39485080830030,"sku":"5425858x4","price":59.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1509\/8328\/files\/199301791_1138526069988188_818351367464717040_n.webp?v=1716824063"},{"product_id":"mk3-focus-st-st250-front-lambda-o2-sensor-genuine-bosch","title":"MK3 Focus ST ST250 Front Lambda O2 Sensor Genuine Bosch","description":"\u003cp\u003eGenuine Bosch front Lambda sensor for MK3 Focus ST 2.0 Ecoboost\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":44341099495730,"sku":"0258017317","price":129.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1509\/8328\/products\/324045030_709245847378949_6867416029865895030_n.png?v=1672758229"},{"product_id":"mk3-focus-st-st250-genuine-ford-service-kit","title":"MK3 Focus ST ST250 Genuine Ford Service kit","description":"\u003cp\u003eGenuine Ford service kit for MK3 Focus ST250 2.0 Ecoboost\u003c\/p\u003e\n\u003cp\u003eBase kit includes\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e6L Castrol 5W20 Engine oil\u003c\/li\u003e\n\u003cli\u003eGenuine Ford oil filter\u003c\/li\u003e\n\u003cli\u003eGenuine Ford sump plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOptions\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Ford spark plugs\u003c\/li\u003e\n\u003cli\u003eGenuine Ford air filter\u003c\/li\u003e\n\u003cli\u003eGenuine Ford Cabin filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Genuine Ford","offers":[{"title":"No spark plugs \/ No air filter \/ No cabin filter","offer_id":47064806129970,"sku":"MK3FocusSTServKit1","price":139.99,"currency_code":"GBP","in_stock":true},{"title":"No spark plugs \/ No air filter \/ With cabin filter","offer_id":47064806162738,"sku":"MK3FocusSTServKit2","price":159.99,"currency_code":"GBP","in_stock":true},{"title":"No spark plugs \/ With air filter \/ No cabin filter","offer_id":47064806195506,"sku":"MK3FocusSTServKit3","price":159.99,"currency_code":"GBP","in_stock":true},{"title":"No spark plugs \/ With air filter \/ With cabin filter","offer_id":47064806228274,"sku":"MK3FocusSTServKit4","price":179.99,"currency_code":"GBP","in_stock":true},{"title":"With spark plugs \/ No air filter \/ No cabin filter","offer_id":47064806261042,"sku":"MK3FocusSTServKit5","price":189.99,"currency_code":"GBP","in_stock":true},{"title":"With spark plugs \/ No air filter \/ With cabin filter","offer_id":47064806293810,"sku":"MK3FocusSTServKit6","price":209.99,"currency_code":"GBP","in_stock":true},{"title":"With spark plugs \/ With air filter \/ No cabin filter","offer_id":47064806326578,"sku":"MK3FocusSTServKit7","price":209.99,"currency_code":"GBP","in_stock":true},{"title":"With spark plugs \/ With air filter \/ With cabin filter","offer_id":47064806359346,"sku":"MK3FocusSTServKit8","price":229.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1509\/8328\/files\/IMG_7709-removebg_f4dcdb8a-a164-4439-aaa0-406037397713.png?v=1696863600"},{"product_id":"mk3-focus-st-st250-genuine-ford-gearbox-transmission-oil-1-litre","title":"MK3 Focus ST and RS Genuine Ford Gearbox Transmission Oil - 1 Litre","description":"\u003cp\u003eGenuine Ford Gearbox oil for Focus ST250 manual transmission.\u003c\/p\u003e\n\u003cp\u003eSold individually in 1L tubs\u003c\/p\u003e\n\u003cp\u003e2 litres required for oil change\u003c\/p\u003e","brand":"Genuine Ford","offers":[{"title":"Default Title","offer_id":47628379291954,"sku":"2593461","price":39.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1509\/8328\/files\/s-l1200_6874d788-b478-4433-b677-06c42958b885.jpg?v=1705593564"},{"product_id":"mk3-focus-st-st250-rear-lambda-o2-sensor-genuine-bosch-post-cat","title":"MK3 Focus ST ST250 Rear Lambda O2 Sensor Genuine Bosch Post Cat","description":"\u003cp\u003eGenuine Bosch Rear Lambda sensor for MK3 Focus ST 2.0 Ecoboost\u003c\/p\u003e\n\u003cp\u003eAfter cat \/ Post cat sensor\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":50174881005874,"sku":"0258010334","price":129.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1509\/8328\/files\/H019d7434bf014191be42f0eb61dfb8a00.webp?v=1751464723"},{"product_id":"ngk-iridium-uprated-spark-plugs-for-mk3-focus-st250-2-0-ecoboost","title":"NGK Iridium Uprated Spark Plugs for MK3 Focus ST250 2.0 Ecoboost","description":"\u003cul\u003e\n\u003cli\u003eSuits stage 2 and above cars\u003c\/li\u003e\n\u003cli\u003ePinpoint 0.6mm center electrode width\u003c\/li\u003e\n\u003cli\u003eEnhanced ignition ability\u003c\/li\u003e\n\u003cli\u003eTrivalent metal plating\u003c\/li\u003e\n\u003cli\u003e1 step colder than stock\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAll 4 cylinder EcoBoost engines benefit from these NGK Iridium Series Plugs when tuned. We strongly recommend these from stage 2 onwards with a 0.65mm gap.\u003cbr\u003e\u003cbr\u003eAny EcoBoost engine running substantially higher boost pressure or increased levels of tuning compared to the OE power output can experience reduced spark plug life resulting in lower engine performance, misfires and rough idle etc.\u003cbr\u003e\u003cbr\u003eIncreased wear is typically seen in the form of increased spark plug gap and degradation of the electrode. Using spark plugs that are optimised for increased power ensures maximum performance.\u003cbr\u003e\u003cbr\u003eExtensive in-market validation at extreme boost\/cylinder pressures was undertaken to ensure optimal performance was achieved, whilst also making sure reliability and drivability wasn't compromised in colder ambients.\u003cbr\u003e \u003cbr\u003eThe NGK LTR71X-II is one step colder than the original spark plug.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan class=\"siteKeyword\"\u003eFine Wire\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eCenter Electrode ensures high durability and a consistently stable Spark\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eb\u003cspan class=\"siteKeyword\"\u003eIridium\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eAlloy has an extremely high melting point, perfect for today's high-tech, high performance Engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eTrivalent Metal Plating provides superior Anti-corrosion and Anti-seizing properties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eCorrugated Ribs prevent f\u003cspan class=\"siteKeyword\"\u003elashover\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003ePure Alumina Silicate Ceramic\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"siteKeyword\"\u003eInsulator\u003c\/span\u003e, Provides superior strength and better heat transfer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan class=\"siteKeyword\"\u003eCopper\u003c\/span\u003e core aids in heat removal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eTriple seals prevent leakage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e(These will need to be gapped down to 0.026\" (0.65mm) for high performance applications)\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":50927371714866,"sku":"NGK6510x4--","price":54.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1509\/8328\/files\/s-l1200_42a41a69-7505-4a46-96e0-ba5ac7f33074.jpg?v=1771877645"},{"product_id":"genuine-ford-focus-mk3-st-spark-plugs-set-of-4-2-0-ecoboost","title":"Genuine Ford Focus MK3 ST ST250 Spark Plugs set of 4 - 2.0 Ecoboost","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cspan size=\"5\" style=\"font-size: x-large;\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eGenuine Ford spark plugs for MK3 Ford Focus ST250 2.0 Ecoboost \u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan size=\"5\" style=\"font-size: x-large;\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan size=\"5\" style=\"font-size: x-large;\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eSold as set of 4\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Genuine Ford","offers":[{"title":"Default Title","offer_id":51453791306034,"sku":"5425858x4-","price":59.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1509\/8328\/files\/199301791_1138526069988188_818351367464717040_n.webp?v=1716824063"}],"url":"https:\/\/wayside-performance.co.uk\/collections\/ford-focus-st250-servicing-maintenance.oembed","provider":"Wayside Performance ","version":"1.0","type":"link"}