{"product_id":"bmw-r45-r65-zylinderkopfuberholung-twinshock-und-monolevermodelle-bleifrei","title":"BMW R45 R65 cylinder head overhaul valve shaft seals Twinshock and Monolevermodelle unleaded","description":"\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003e\u003cb\u003e\u003cspan style=\"color: #e03e2d; font-size: 14pt;\"\u003e\u003cu\u003eImportant:\u003c\/u\u003e\u003c\/span\u003e \u003cspan style=\"font-size: 10pt;\"\u003ePlease download the order form from the documents section here in the item description, fill it out, and include it with the cylinder head.\u003c\/span\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003e\u003cspan style=\"font-size: 10pt;\"\u003e\u003cb\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003e\u003cstrong\u003e\u0026nbsp;\u003c\/strong\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 10pt;\"\u003e\u003cb\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003e\u003cstrong\u003eBMW 2-valve boxer cylinder heads – precision machining at the highest level\u003c\/strong\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003eOur comprehensive overhaul for BMW 2-valve boxer cylinder heads combines state-of-the-art technology with decades of experience. Each head is thoroughly disassembled, industrially cleaned, and optionally ceramic blasted – for a clean, matte surface with high everyday suitability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003eOld valve guides and seat rings are removed, and the base bores are precisely milled and honed. New components are inserted tension-free using thermal shrinkage. Final honing guarantees a perfect fit. The valve seats are machined on our SERDI 100 – based on 30 years of experience and specially developed contours. A vacuum test ensures that the valves are perfectly sealed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003eAfter the new valves and springs\u0026nbsp;have been installed, you will receive cylinder heads that are ready to be installed—ready for top performance and high mileage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003e\u003cstrong\u003eScope of services per cylinder head:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003eDisassembly, cleaning, visual inspection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003e(Optional) Ceramic blasting\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003eRemoval of valve guides and seat rings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003eMilling and honing of the base bores\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003eShrinking new guides and seat rings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003eHoning valve guides to final dimensions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003eMachining valve seats on SERDI 100\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003eVacuum leak test\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003eAssembly of valves, spring retainers, valve springs \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003e\u003cb\u003eParts package included in the price:\u003c\/b\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003e1 exhaust valve seat\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003e2 valve guides\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003e2 valves 7 mm shaft\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003e2 valve springs\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003eThe planning of the sealing surfaces (cylinder and valve cover side) can be ordered additionally. We recommend machining both sides to avoid fitting problems due to warped surfaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva,sans-serif; font-size: 10pt;\"\u003e\u003cstrong\u003ePrice is per cylinder head.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u003ciframe height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/7Hrn72vuEdg?si=ukTVUSCab9OTzv8k\" title=\"YouTube video player\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Sport Evolution","offers":[{"title":"without planning","offer_id":56805983256956,"sku":"SE-20-80108-01-003S1","price":305.0,"currency_code":"EUR","in_stock":true},{"title":"nur Zylinderdichtfläche","offer_id":56805983289724,"sku":"SE-20-80108-01-003S2","price":347.5,"currency_code":"EUR","in_stock":true},{"title":"beide Dichtflächen planen","offer_id":56805983322492,"sku":"SE-20-80108-01-003S3","price":390.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/2390\/1820\/files\/397A5380_12146.jpg?v=1779655840","url":"https:\/\/sport-evolution.de\/en\/products\/bmw-r45-r65-zylinderkopfuberholung-twinshock-und-monolevermodelle-bleifrei","provider":"Sport Evolution","version":"1.0","type":"link"}