{"product_id":"progressive-412-shocks-harley-davidson-47","title":"Progressive 412 Shocks — Harley-Davidson","description":"\u003cp\u003eProgressive 412 Series shocks deliver durable suspension performance with a doublewall steel body, nitrogen-charged damping, and progressive rate springs. The 5-position cam preload adjuster lets you fine-tune ride height and stiffness for your weight and riding style.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDoublewall steel construction\u003c\/li\u003e\n  \u003cli\u003eHigh-pressure nitrogen charged\u003c\/li\u003e\n  \u003cli\u003eMulti-stage velocity-sensitive damping\u003c\/li\u003e\n  \u003cli\u003eProgressive-rate springs (standard or heavy-duty)\u003c\/li\u003e\n  \u003cli\u003e5-position cam-style preload adjuster\u003c\/li\u003e\n  \u003cli\u003eAvailable in chrome or black finish\u003c\/li\u003e\n  \u003cli\u003eOptional full 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 412-4063C\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 9.6 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 motorcycles. Verify your specific model and year before ordering, as shock applications vary by frame type and wheelbase.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\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 provide better support and control for heavier riders or two-up riding.\u003c\/p\u003e\n\u003ch3\u003eHow do I adjust the preload?\u003c\/h3\u003e\n\u003cp\u003eThe 5-position cam adjuster on the shock body lets you dial preload up or down without tools — rotate to your preferred setting.\u003c\/p\u003e\n\u003ch3\u003eWill these improve my ride quality?\u003c\/h3\u003e\n\u003cp\u003eYes. The multi-stage velocity-sensitive damping adjusts to road conditions in real time, reducing harshness and improving control compared to stock shocks.\u003c\/p\u003e\n\u003ch3\u003eCan I get chrome covers?\u003c\/h3\u003e\n\u003cp\u003eOptional full Show Chrome covers are available on select Harley applications — check fitment before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhat's the nitrogen charge for?\u003c\/h3\u003e\n\u003cp\u003eHigh-pressure nitrogen prevents foaming and maintains consistent damping performance across a wide range of temperatures and riding conditions.\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":53040153198703,"sku":"T14-630116","price":379.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_013a7d8f-0797-40f5-af6e-551a773f5b85.png?v=1779565652","url":"https:\/\/vtwinbikers.com\/products\/progressive-412-shocks-harley-davidson-47","provider":"Vtwinbikers","version":"1.0","type":"link"}