{"product_id":"s-s-cycle-900-0344","title":"S\u0026S Cycle 2006 Dyna Super Stock 91cc Cylinder Heads - Silver","description":"\u003cp\u003eThese S\u0026amp;S® Super Stock® high performance cylinder heads are designed specifically for S\u0026amp;S® T-Series T2 long block engines for 2007-'16 HD® big twins and 2007-'16 engines with S\u0026amp;S® 4-1\/4\" bore Hot Set Up Kit installed. 2.000\" intake and 1.605\" exhaust valves coupled with S\u0026amp;S® ports, supply plenty of air for these big motors. Not machined for S\u0026amp;S® compression releases. The manifold mounting surface is machined to stock dimensions, so a special manifold\/throttle body is required for engines that are not stock height. S\u0026amp;S® High performance valve springs allow the installation of camshafts with up to .650\" lift. Compatible with stock rocker boxes, exhaust, and intake manifolds.\u003c\/p\u003e\u003cp\u003eGenuine S\u0026amp;S Cycle. Part number 900-0344.\u003c\/p\u003e\u003cp\u003eImported to order from our US supply partner — allow 7-14 days delivery.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":62173621387651,"sku":"900-0344","price":1603.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1018\/6506\/2787\/files\/216dd96abe9f1cbdc5471a66f081414d.png?v=1785042013","url":"https:\/\/www.mlperformance.co.uk\/products\/s-s-cycle-900-0344","provider":"ML Performance","version":"1.0","type":"link"}