{"product_id":"super-stock-heads-89-cc-silver","title":"S\u0026S Cycle Super Stock Heads 89 Cc Silver","description":"\u003cp\u003e89 cc Super Stock® Cylinder Heads\u003c\/p\u003e\u003cli\u003eHeads are fully assembled with springs and valves\u003c\/li\u003e\u003cli\u003e Designed for '06-'16 engines with stock crankcase\u003c\/li\u003e\u003cli\u003eGood for touring bikes and other heavy vehicles\u003c\/li\u003e\u003cli\u003eWorks well with engines of stock displacement, but are ideal for somewhat larger stroker or big bore engines up to 110\"\u003c\/li\u003e\u003cli\u003eCombustion chamber provides a slightly higher than stock, but still manageable compression ratio in larger than stock engines\u003c\/li\u003e\u003cli\u003eLarge 2.000\" intake and 1.605\" exhaust valves maintain port velocity for good low and midrange response, but supply enough air for slightly larger engines to perform to their full potential\u003c\/li\u003e\u003cli\u003eS\u0026amp;S® High performance valve springs allow the installation of camshafts with up to 0.650\" lift\u003c\/li\u003e\u003cli\u003eIntake ports flow 264 CFM (Cubic Feet per Minute) compared to stock heads at 182 CFM\u003c\/li\u003e\u003cli\u003eCompatible with stock rocker boxes, exhaust, and intake manifolds\u003c\/li\u003e\u003cli\u003eMade in the USA\u003c\/li\u003e\u003cli\u003eWill not work with S\u0026amp;S compression releases in a late model twin cam that has Harley Davidson® ACR (Automatic Compression Release) already installed.\u003c\/li\u003e\u003cli\u003eNot compatible with '14-'16 FLHTK\/FLHTKL, FLHTCUTG Twin-Cooled motors or '17 touring models.\u003c\/li\u003e\u003cli\u003eNot for models with OEM compression releases.\u003c\/li\u003e\u003cli\u003eMust use S\u0026amp;S rocker boxes if S\u0026amp;S compression realses are used.\u003c\/li\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":50029770113352,"sku":"09300065","price":2526.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/09300065_1.jpg?v=1778066560","url":"https:\/\/holydeath.com\/fr\/products\/super-stock-heads-89-cc-silver","provider":"Holy Death Motorcycle Co.","version":"1.0","type":"link"}