{"product_id":"progressive-412-shocks-harley-davidson-72","title":"Progressive 412 Shocks — Harley-Davidson Electra Glide, Softail Heritage Classic, Electra Glide Classic (1955-2026)","description":"\u003cp\u003eProgressive 412 Series shocks deliver consistent damping performance for Harley-Davidson cruisers through a nitrogen-charged, multistage velocity-sensitive design in a durable double-wall steel body. A five-position cam-style preload adjuster lets you tune for your riding weight and style, with options for chrome or black finish and Show Chrome covers on select models.\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 charged\u003c\/li\u003e\n  \u003cli\u003eMultistage velocity-sensitive damping\u003c\/li\u003e\n  \u003cli\u003e5-position cam-style preload adjuster\u003c\/li\u003e\n  \u003cli\u003eProgressive or heavy-duty spring rates available\u003c\/li\u003e\n  \u003cli\u003eOptional full Show Chrome covers on select applications\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 412-4024C\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 10.6 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 cruisers. Verify your specific model and year before ordering to ensure correct mounting and spring rate selection.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eCan I adjust the preload myself?\u003c\/h3\u003e\n\u003cp\u003eYes. The 5-position cam-style adjuster is rider-adjustable — no tools needed to change preload for different loads or riding preferences.\u003c\/p\u003e\n\u003ch3\u003eWhat's the difference between Progressive and Heavy-Duty spring rates?\u003c\/h3\u003e\n\u003cp\u003eProgressive springs use a rising rate that feels softer initially but firms up under load. Heavy-Duty springs are stiffer throughout for heavier riders or loaded luggage.\u003c\/p\u003e\n\u003ch3\u003eDo these shocks come with chrome covers?\u003c\/h3\u003e\n\u003cp\u003eStandard 412s ship without covers, but Show Chrome covers are available as an optional upgrade on select Harley applications.\u003c\/p\u003e\n\u003ch3\u003eWill these improve my bike's handling?\u003c\/h3\u003e\n\u003cp\u003eThe nitrogen-charged, multistage damping provides more consistent control than stock shocks over bumps and cornering, improving both comfort and stability.\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":53040156672111,"sku":"T14-669148","price":379.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_9586b379-8204-45fc-bc4d-3c9d55bdef0d.png?v=1779565984","url":"https:\/\/vtwinbikers.com\/products\/progressive-412-shocks-harley-davidson-72","provider":"Vtwinbikers","version":"1.0","type":"link"}