{"product_id":"progressive-412-shocks-harley-davidson-2","title":"Progressive 412 Shocks — Harley-Davidson","description":"\u003cp\u003eProgressive 412 shocks deliver consistent damping and adjustable preload for Harley-Davidson models at an accessible price point. Double-wall steel construction with nitrogen-charged, multi-stage velocity-sensitive valving handles both light and heavy riders without fade.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble-wall steel damper body\u003c\/li\u003e\n  \u003cli\u003eHigh-pressure nitrogen gas charging\u003c\/li\u003e\n  \u003cli\u003eMulti-stage velocity-sensitive valving\u003c\/li\u003e\n  \u003cli\u003e5-position cam-style preload adjuster\u003c\/li\u003e\n  \u003cli\u003eProgressive-rate spring options in chrome or black\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 412-4005B\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 8.9 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Suspension \/ Shocks and Struts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalifornia Prop 65:\u003c\/strong\u003e Cancer and Reproductive Harm — www.P65Warnings.ca.gov\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson models. Check the specific model year and frame type before ordering to ensure compatibility with your application.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eCan I adjust the preload on these shocks?\u003c\/h3\u003e\n\u003cp\u003eYes — the 5-position cam-style adjuster lets you dial preload up or down to match your weight and riding style without tools.\u003c\/p\u003e\n\u003ch3\u003eDo these shocks come with covers?\u003c\/h3\u003e\n\u003cp\u003eStandard versions ship without covers. Show Chrome covers are available as an option on select Harley applications.\u003c\/p\u003e\n\u003ch3\u003eWhat's the difference between the standard and heavy-duty spring options?\u003c\/h3\u003e\n\u003cp\u003eBoth use progressive-rate springs. Heavy-Duty springs provide more support for heavier riders or loaded cargo. Choose based on your typical riding weight.\u003c\/p\u003e\n\u003ch3\u003eWill these shocks fade over time?\u003c\/h3\u003e\n\u003cp\u003eThe nitrogen-charged design and multi-stage valving maintain consistent damping performance across your riding season without the fade you'd see in non-charged shocks.\u003c\/p\u003e\n\u003ch3\u003eDo I need to install these myself, or should I take them to a shop?\u003c\/h3\u003e\n\u003cp\u003eShock installation typically requires suspension expertise and proper tools. Most riders have a Harley dealer or suspension shop handle the swap and wheel alignment.\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":53040145465455,"sku":"T14-613988","price":379.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_a250dd7f-8946-4c5b-8aa0-3b8f63626158.png?v=1779565612","url":"https:\/\/vtwinbikers.com\/products\/progressive-412-shocks-harley-davidson-2","provider":"Vtwinbikers","version":"1.0","type":"link"}