{"product_id":"s-s-cycle-camshafts-1999-2006-harley-davidson-dyna-easy","title":"S\u0026S Cycle Camshafts — 1999-2006 Harley-Davidson Dyna Easy","description":"\u003cp\u003eS\u0026amp;S Cycle Big Twin Dyna Easy Start 640GE camshaft for 1999-2006 Harley-Davidson Dyna models, engineered to deliver improved low-end torque and throttle response while maintaining reliable cold-start performance. Gear drive compatible design for direct installation.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eBig Twin Dyna Easy Start 640GE profile\u003c\/li\u003e\n  \u003cli\u003eGear drive compatible\u003c\/li\u003e\n  \u003cli\u003eImproved low-end torque delivery\u003c\/li\u003e\n  \u003cli\u003eEnhanced throttle response\u003c\/li\u003e\n  \u003cli\u003eReliable cold-start performance\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 106-4839\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Engine Components \/ Camshafts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits 1999-2006 Harley-Davidson Dyna models with stock gear drive cam systems.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this fit my 2007+ Dyna?\u003c\/h3\u003e\n\u003cp\u003eNo — this camshaft is designed for 1999-2006 Dyna models. 2007 and newer require different cam profiles.\u003c\/p\u003e\n\u003ch3\u003eIs this compatible with gear drive cam systems?\u003c\/h3\u003e\n\u003cp\u003eYes. This 640GE profile is engineered specifically for gear drive compatibility.\u003c\/p\u003e\n\u003ch3\u003eDoes this improve performance over stock?\u003c\/h3\u003e\n\u003cp\u003eYes — the 640GE profile delivers improved low-end torque and throttle response compared to stock Dyna cams.\u003c\/p\u003e\n\u003ch3\u003eWill I need to tune my bike after installation?\u003c\/h3\u003e\n\u003cp\u003eA fuel tune may optimize performance gains. Consult with your tuner or S\u0026amp;S Cycle for specific recommendations based on your setup.\u003c\/p\u003e\n\u003ch3\u003eIs cold starting affected?\u003c\/h3\u003e\n\u003cp\u003eNo — the Easy Start profile maintains reliable cold-start performance despite the torque improvements.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":53040437624943,"sku":"T14-663421","price":673.95,"currency_code":"USD","in_stock":false}],"url":"https:\/\/vtwinbikers.com\/products\/s-s-cycle-camshafts-1999-2006-harley-davidson-dyna-easy","provider":"Vtwinbikers","version":"1.0","type":"link"}