{"product_id":"supertech-mini-cooper-r56-n14-s-44-9mm-intake-exhaust-valve-guides-set-of-8","title":"Supertech Mini Cooper R56 N14 S 44.9mm Intake\/Exhaust Valve Guides - Set of 8","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eGDE-MIN-R56-OS-8\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eSupertech Mini Cooper R56 N14 S 44.9mm Intake\/Exhaust Valve Guides - Set of 8 2007-2011\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eSupertech 44.9mm intake and exhaust valve guides fit Mini Cooper R56 models with N14 engines from 2007 to 2011. This set of 8 replaces worn guides in performance builds for better valve sealing and longevity. Engineered for direct replacement with precise dimensions to maintain OEM tolerances under high boost.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBronze Alloy Material:\u003c\/strong\u003e Manganese bronze construction provides superior wear resistance and thermal conductivity to handle turbocharged heat loads in N14 engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e44.9mm Length:\u003c\/strong\u003e Exact length matches factory specs for proper valve stem support and oil control in intake and exhaust positions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Machining:\u003c\/strong\u003e Ground to micron tolerances for interference press fit ensuring zero movement during high RPM operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOversize Design (OS):\u003c\/strong\u003e Accommodates aftermarket oversized valves while restoring head integrity after guide removal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet of 8:\u003c\/strong\u003e Complete coverage for all 16 valves (4 intake 4 exhaust per bank) simplifying full valvetrain refresh\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eInspect cylinder head for wear before installation and machine as needed for oversize guides\u003c\/li\u003e\n\u003cli\u003eClean guides thoroughly before pressing to avoid contamination\u003c\/li\u003e\n\u003cli\u003ePackaged in protective tube to prevent damage during transit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eRequires valve guide puller and press driver tool for removal and insertion\u003c\/li\u003e\n\u003cli\u003eCompatible with stock or ported N14 cylinder heads no additional hardware needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2007-2010\u003c\/td\u003e\n\u003ctd\u003eMINI\u003c\/td\u003e\n\u003ctd\u003eCooper S\u003c\/td\u003e\n\u003ctd\u003eR56 N14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2008-2011\u003c\/td\u003e\n\u003ctd\u003eMINI\u003c\/td\u003e\n\u003ctd\u003eCooper S Clubman\u003c\/td\u003e\n\u003ctd\u003eR55 N14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2008-2011\u003c\/td\u003e\n\u003ctd\u003eMINI\u003c\/td\u003e\n\u003ctd\u003eCooper S Convertible\u003c\/td\u003e\n\u003ctd\u003eR57 N14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2009-2011\u003c\/td\u003e\n\u003ctd\u003eMINI\u003c\/td\u003e\n\u003ctd\u003eCooper S JCW\u003c\/td\u003e\n\u003ctd\u003eR56 N14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhy Choose Supertech?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDeveloped for racing applications in WRC and endurance series\u003c\/li\u003e\n\u003cli\u003eHigh-strength bronze alloy proven in turbocharged engines\u003c\/li\u003e\n\u003cli\u003eMachined in Italy with tight tolerances for repeatable performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Will these fit 2011 N14 engines in R56 Cooper S?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e Yes fits all 2007-2011 MINI R56 R55 R57 with N14B16 turbo engine including JCW variants\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material are the guides made from?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e Manganese bronze alloy for maximum durability heat transfer and resistance to galling on valve stems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Do these require head machining?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e Oversize guides need head boring to 13.55mm OD confirm with machine shop using Supertech specs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or USPS Priority\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Protective plastic tube inside 6 x 4 x 1 inch box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.4 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":45153763229775,"sku":"SPTGDE-MIN-R56-OS-8","price":78.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/supertech-mini-cooper-r56-n14-s-44_9mm-intakeexhaust-valve-guides-set-of-8-supertech.jpg?v=1777564997","url":"https:\/\/www.blackopsautoworks.com\/products\/supertech-mini-cooper-r56-n14-s-44-9mm-intake-exhaust-valve-guides-set-of-8","provider":"Black Ops Auto Works","version":"1.0","type":"link"}