{"product_id":"supertech-bmw-n55-s55-6mm-stem-manganese-bronze-exhaust-valve-guide-set-of-12","title":"Supertech BMW N55\/S55 6mm Stem Manganese Bronze Exhaust Valve Guide - Set of 12","description":"\u003cdiv\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eGDE-BMW-N55-E-12\u003c\/span\u003e   |   \u003cstrong\u003eUPC:\u003c\/strong\u003e 1037721245588\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003ch4\u003e\u003cstrong\u003eSupertech BMW N55\/S55 6mm Stem Manganese Bronze Exhaust Valve Guide - Set of 12\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003eSupertech GDE-BMW-N55-E-12\u003c\/strong\u003e Manganese Bronze Exhaust Valve Guides are precision-engineered for high-performance BMW N55 and S55 engines. Made from high-quality manganese bronze, these guides offer superior heat dissipation, excellent wear resistance, and extended durability under the high temperatures and stresses of turbocharged and high-RPM applications. Sold as a complete set of 12, they are the ideal choice for engine builders doing full cylinder head work on 335i, M3, M4, and other N55\/S55-powered vehicles.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eManganese Bronze Material: Superior heat transfer and wear resistance compared to standard guides\u003c\/li\u003e\n\u003cli\u003e6mm Stem Diameter: Precision machined for perfect fit with 6mm stem valves\u003c\/li\u003e\n\u003cli\u003eComplete Set of 12: Full set for all exhaust valves on N55\/S55 inline-6 engines\u003c\/li\u003e\n\u003cli\u003eHigh-Performance Design: Ideal for boosted, high-horsepower, and track applications\u003c\/li\u003e\n\u003cli\u003eSupertech Quality: Trusted by professional engine builders worldwide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable width=\"100%\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eGDE-BMW-N55-E-12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eManganese Bronze\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStem Diameter\u003c\/td\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003eSet of 12 (Exhaust Guides)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eBMW N55 and S55 Engines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eProfessional Cylinder Head Work Recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLimited (Supertech)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003eApprox. 2-3 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSet of 12 Supertech Manganese Bronze Exhaust Valve Guides\u003c\/li\u003e\n\u003cli\u003eInstallation\/Technical Information\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for professional engine rebuilds and high-performance applications\u003c\/li\u003e\n\u003cli\u003eExcellent choice for N55\/S55 engines running high boost or aggressive camshafts\u003c\/li\u003e\n\u003cli\u003eProfessional installation by experienced machine shop recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRequires precision valve guide installation and head machining\u003c\/li\u003e\n\u003cli\u003eProfessional cylinder head service recommended\u003c\/li\u003e\n\u003cli\u003eValve job and proper clearance checking required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable cellspacing=\"0\" cellpadding=\"8\" 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\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2016\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e135i \/ 235i \/ 335i \/ 435i \/ 535i\u003c\/td\u003e\n\u003ctd\u003eN55 Engine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2018\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM3 \/ M4\u003c\/td\u003e\n\u003ctd\u003eS55 Engine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2016-2018\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM2\u003c\/td\u003e\n\u003ctd\u003eS55 Engine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2017\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e535i \/ 640i \/ X5 \/ X6\u003c\/td\u003e\n\u003ctd\u003eN55 Engine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhy Choose Supertech Valve Guides?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eIndustry-leading materials and precision manufacturing\u003c\/li\u003e\n\u003cli\u003eProven performance in high-horsepower BMW N55\/S55 builds\u003c\/li\u003e\n\u003cli\u003eExcellent heat dissipation for boosted and high-RPM applications\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 Are these for intake or exhaust? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e These are specifically Exhaust Valve Guides for the BMW N55 and S55 engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e How many guides are in the set? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Set of 12 enough for a complete set of exhaust valves on the inline-6 engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need a machine shop? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, proper installation requires professional valve guide replacement and head work.\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 \/ FedEx Ground\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 Secure protective packaging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 2-3 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":44521730113615,"sku":"SPTGDE-BMW-N55-E-12","price":106.73,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/supertech-bmw-n55-valve-guide.png?v=1772123075","url":"https:\/\/www.blackopsautoworks.com\/products\/supertech-bmw-n55-s55-6mm-stem-manganese-bronze-exhaust-valve-guide-set-of-12","provider":"Black Ops Auto Works","version":"1.0","type":"link"}