{"product_id":"med-road-competition-copy","title":"MED A-SERIES ROAD COMPETITION HEAD - KIT","description":"\u003cp\u003eThis kit includes all of the components required to build a new high performance 'MED Road Competition' head for your 1275-based A-Series engine. \u003c\/p\u003e\n\u003cp\u003eAs the supply of good 1275 heads is dwindling and they're becoming ever more expensive, we now offer a brand new CNC-machined casting, with much of the hard work already complete.\u003c\/p\u003e\n\u003cp\u003eThese heads have not seen 25-plus years of use, so are free from the usual corrosion and damage, and we have also optimised the design for improved performance.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cbr\u003eThe head chambers are accurately CNC machined to the optimum profile, the extra two head stud holes drilled, inlet and exhaust ports enlarged and the restrictive standard valve guide bosses are non-existent. Hardened exhaust valve seats are fitted as standard.  \u003c\/p\u003e\n\u003cp\u003eFinal completion will require installation and re-sizing of the valve guides, the valve seats machined to match the valves and then, preferably, having the ports cleaned through to remove the cast finish.\u003c\/p\u003e\n\u003cp\u003eYou'll be able to see from the images that the first 40mm of each port is already CNC machined out our recommended 'Road Competition' size, which matches our inlet\/exhaust gasket, part number \u003ca href=\"https:\/\/www.med-engineering.co.uk\/products\/med-inlet-exhaust-gasket?variant=44459910496549\"\u003e\u003cspan\u003eMED-1914-SG\u003c\/span\u003e\u003c\/a\u003e.  \u003c\/p\u003e\n\u003cp\u003eChambers are pre-machined to approximately 21cc.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit contents\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003eBrand new MED 12g940 early-style head casting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e35.7mm x 30mm single-groove competition 21NS stellite-tip valves.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003eMED EN24T steel valve caps and collets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003eMED bronze valve guides.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003eMED 'Road' 170lb double valve spring set.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003eViton stem seals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCylinder head features\u003cbr\u003e\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003eCNC machined chambers to 21cc volume.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e11-stud design.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRestrictive standard valve guide boss omitted. \u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThermostat bypass deleted.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePort profiles optimised for improved flow.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eValve spring platforms accurately machined for optimal fitted spring length.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThree-angle valve seats.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHardened exhaust valve seats for unleaded fuel.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeater tap take-off ready.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e5\/8-inch UNF temperature gauge sender thread.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003eEach casting is embossed with the MED logo and numbered for future traceability.  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003eIf you would prefer a completed cylinder head that's ready to fit, please see \u003ca href=\"https:\/\/www.med-engineering.co.uk\/collections\/5-port\/products\/med-a-series-road-competition-head-copy\"\u003eMED Ultimate Road Competition Cylinder Head\u003c\/a\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"MED Engineering","offers":[{"title":"Default Title","offer_id":55892589052289,"sku":null,"price":1900.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0114\/0005\/files\/HeadKit.jpg?v=1783521238","url":"https:\/\/www.med-engineering.co.uk\/products\/med-road-competition-copy","provider":"MED Race Technologies","version":"1.0","type":"link"}