{"product_id":"s-s-cycle-billet-heads-2006-2012-harley-davidson-dyna-4","title":"S\u0026S Cycle Billet Heads — 2006-2012 Harley-Davidson Dyna 4","description":"\u003cp\u003eS\u0026amp;S Cycle Billet Heads are precision-engineered replacement cylinder heads for 2006-2012 Harley-Davidson Dyna models. Built from billet material for superior strength and designed to bolt directly in place of stock heads for increased displacement and performance.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eBillet construction for strength\u003c\/li\u003e\n  \u003cli\u003eDirect bolt-on replacement for stock Dyna heads\u003c\/li\u003e\n  \u003cli\u003eEngineered for 2006-2012 Harley Dyna 4-stroke engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e S\u0026amp;S Cycle\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 900-0966\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 13.04 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Engine Components \/ Heads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits 2006-2012 Harley-Davidson Dyna 4-stroke engines.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill these heads fit my 2013+ Dyna?\u003c\/h3\u003e\n\u003cp\u003eNo — this part is engineered specifically for 2006-2012 Dyna models. 2013+ Dynas require a different part number.\u003c\/p\u003e\n\u003ch3\u003eAre these a direct bolt-on replacement?\u003c\/h3\u003e\n\u003cp\u003eYes — these heads are designed to bolt directly in place of stock Dyna heads without adapters or modifications.\u003c\/p\u003e\n\u003ch3\u003eWhat displacement increase do these provide?\u003c\/h3\u003e\n\u003cp\u003eS\u0026amp;S Cycle billet heads are designed to work with various piston and bore combinations for displacement gains. Consult S\u0026amp;S documentation for your specific build.\u003c\/p\u003e\n\u003ch3\u003eDo I need to re-tune after installing these heads?\u003c\/h3\u003e\n\u003cp\u003eYes — a fuel and air recalibration is recommended after head replacement to optimize performance and drivability.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":53040424779887,"sku":"T14-664012","price":856.95,"currency_code":"USD","in_stock":false}],"url":"https:\/\/vtwinbikers.com\/products\/s-s-cycle-billet-heads-2006-2012-harley-davidson-dyna-4","provider":"Vtwinbikers","version":"1.0","type":"link"}