{"product_id":"progressive-412-shocks-harley-davidson-65","title":"Progressive 412 Shocks — Harley-Davidson","description":"\u003cp\u003eProgressive 412 Series shocks deliver multi-stage velocity-sensitive damping in a double-wall steel body, tuned for consistent suspension performance across light to heavy riders. The nitrogen-charged design with five-position preload adjustment lets you dial comfort and handling without swapping springs.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble-wall steel damper construction\u003c\/li\u003e\n  \u003cli\u003eMulti-stage velocity-sensitive damping\u003c\/li\u003e\n  \u003cli\u003eHigh-pressure nitrogen charge for consistent performance\u003c\/li\u003e\n  \u003cli\u003e5-position cam-style preload adjuster\u003c\/li\u003e\n  \u003cli\u003eStandard and heavy-duty progressive spring rates available\u003c\/li\u003e\n  \u003cli\u003eChrome or black finish options\u003c\/li\u003e\n  \u003cli\u003eOptional show chrome covers on select models\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 Progressive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 412-4009C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Suspension \/ Shocks and Struts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 10.3 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWARNING:\u003c\/strong\u003e Cancer and Reproductive Harm — California Prop 65. www.P65Warnings.ca.gov\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson models. Check fitment notes to confirm specific year and model compatibility with your bike.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eCan I adjust preload on the 412 shocks?\u003c\/h3\u003e\n\u003cp\u003eYes — the 5-position cam-style preload adjuster lets you dial in stiffness for your weight and riding style without changing springs.\u003c\/p\u003e\n\u003ch3\u003eWhat's the difference between standard and heavy-duty springs?\u003c\/h3\u003e\n\u003cp\u003eStandard springs suit lighter riders; heavy-duty springs are stiffer for heavier riders or two-up riding to prevent bottoming.\u003c\/p\u003e\n\u003ch3\u003eDo these come with chrome covers?\u003c\/h3\u003e\n\u003cp\u003eThe base 412s ship without covers. Optional show chrome covers are available on select applications — check your fitment.\u003c\/p\u003e\n\u003ch3\u003eHow does nitrogen charging help?\u003c\/h3\u003e\n\u003cp\u003eHigh-pressure nitrogen prevents oil aeration and foaming inside the shock, keeping damping smooth and consistent over long rides.\u003c\/p\u003e\n\u003ch2\u003eCalifornia Proposition 65 Warning\u003c\/h2\u003e\n\u003cp style=\"font-size:11px;color:#888;\"\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e Cancer and Reproductive Harm — California Prop 65 (Y). www.P65Warnings.ca.gov\u003c\/p\u003e","brand":"Progressive","offers":[{"title":"Default Title","offer_id":53040155983983,"sku":"T14-669141","price":379.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_5303ef18-9f2b-4339-a51b-7804a237d0dc.png?v=1779566536","url":"https:\/\/vtwinbikers.com\/products\/progressive-412-shocks-harley-davidson-65","provider":"Vtwinbikers","version":"1.0","type":"link"}