{"product_id":"s-s-cycle-camshafts-2007-2017-harley-davidson-dyna","title":"S\u0026S Cycle 551 Easy Start Cam Kit - Harley Dyna","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout S\u0026amp;S Cycle\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eS\u0026amp;S Cycle has built American V-twin performance parts in Viola, Wisconsin since 1958 — flywheels, carburetors, cams, cylinder heads and complete crate engines. When a Harley owner talks about a 124, a 128 or a 131 build, they are usually talking about S\u0026amp;S. Few names carry more weight with engine builders in this space.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eUnlock significant low-end and midrange torque on your 2007-2017 Harley-Davidson Dyna with the S\u0026amp;S Cycle 551 Easy Start Cam Kit. Designed as a bolt-in upgrade, these cams are optimized to deliver a noticeable performance improvement from idle up to 4,000 rpm, using many of your existing engine components. Experience a more responsive and powerful ride.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eBoosts low-end and midrange torque\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEasy Start Cams work with stock starter\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eCompatible with stock valve springs\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eBolt-in design for easier installation\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eIncludes cams, gaskets, and cam bearings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe S\u0026amp;S Cycle 551 Easy Start Cam Kit is a popular choice for Dyna riders looking to enhance their bike's performance without a complete engine overhaul. Engineered for 96–106 CID engines with 9:1–10:1 compression, these cams are specifically designed to improve the powerband where you use it most – in everyday riding and aggressive street performance. The innovative Easy Start feature means your stock starter motor can handle the increased compression, simplifying the upgrade process.\u003c\/p\u003e\u003ch3\u003eInstant Torque and Easy Starting\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOptimized for significant low-end and midrange torque from idle to 4,000 rpm\u003c\/li\u003e\n\u003cli\u003eEasy Start design allows stock starter motors to effortlessly crank the engine\u003c\/li\u003e\n\u003cli\u003eCompatible with stock valve springs, reducing additional upgrade costs\u003c\/li\u003e\n\u003cli\u003eA complete kit including cams, gearcover gasket, and cam bearings\u003c\/li\u003e\n\u003cli\u003eBolt-in installation, reusing many factory components for convenience\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePerformance for the Street\u003c\/h3\u003e\u003cp\u003eThis 551 Easy Start Cam Kit is a fantastic upgrade for 2007-2017 Harley-Davidson Dyna models, particularly those with stock or mildly modified engines. It’s ideal for riders who want more grunt off the line and stronger pull through the gears without sacrificing rideability. While designed for easy installation, a proper dyno tune is always recommended after a cam swap to fully optimize your engine's performance and ensure everything is running at its peak.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\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 106-4947\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Engine Components \/ Camshafts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.8 lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill this cam kit fit my Dyna with aftermarket heads or a big bore kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis cam is rated for 96–106 CID engines with 9:1–10:1 compression. If you have aftermarket heads or a big bore kit, you must verify your displacement and compression ratio to ensure compatibility. Higher compression or larger displacement engines may require a different cam.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eDo I need to replace my valve springs with this cam kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, a key benefit of the S\u0026amp;S Cycle 551 Easy Start Cam Kit is its design to work effectively with your stock valve springs, simplifying the installation and reducing additional costs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill I need a dyno tune after installing these cams?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, anytime you perform a cam swap, a proper dyno tune is highly recommended. This will optimize your engine's fuel mapping and ignition timing to maximize the performance gains from the new cams and ensure reliable operation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Camshafts\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"S\u0026S Cycle\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/s-s-cycle\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"S\u0026S Cycle 551 Easy Start Cam Kit - Harley Dyna\",\"item\":\"https:\/\/vtwinbikers.com\/products\/s-s-cycle-camshafts-2007-2017-harley-davidson-dyna\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Will this cam kit fit my Dyna with aftermarket heads or a big bore kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This cam is rated for 96–106 CID engines with 9:1–10:1 compression. If you have aftermarket heads or a big bore kit, you must verify your displacement and compression ratio to ensure compatibility. Higher compression or larger displacement engines may require a different cam.\"}},{\"@type\":\"Question\",\"name\":\"Do I need to replace my valve springs with this cam kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, a key benefit of the S\u0026S Cycle 551 Easy Start Cam Kit is its design to work effectively with your stock valve springs, simplifying the installation and reducing additional costs.\"}},{\"@type\":\"Question\",\"name\":\"Will I need a dyno tune after installing these cams?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, anytime you perform a cam swap, a proper dyno tune is highly recommended. This will optimize your engine's fuel mapping and ignition timing to maximize the performance gains from the new cams and ensure reliable operation.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":53040423796847,"sku":"T14-663320","price":549.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_d5e7b45e-1b34-4a90-b053-2c5384a05ac9.png?v=1779566453","url":"https:\/\/vtwinbikers.com\/products\/s-s-cycle-camshafts-2007-2017-harley-davidson-dyna","provider":"Vtwinbikers","version":"1.0","type":"link"}