{"product_id":"progressive-412-shocks-harley-davidson-85","title":"Progressive 412 Shocks — Harley-Davidson Electra Glide, Softail Heritage Classic, Electra Glide Classic (1955-2026)","description":"\u003cp\u003eProgressive 412 Series shocks deliver durable, adjustable suspension for Harley-Davidson cruisers at an accessible price point. Double-wall steel bodies with nitrogen-charged, multi-stage velocity-sensitive valving provide smooth, consistent damping across a wide range of riding conditions and rider weights.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble-wall steel construction with multi-stage velocity-sensitive damping\u003c\/li\u003e\n  \u003cli\u003eHigh-pressure nitrogen gas charging for consistent performance\u003c\/li\u003e\n  \u003cli\u003e5-position cam-style preload adjuster for light to heavy riders\u003c\/li\u003e\n  \u003cli\u003eProgressive or heavy-duty spring rates available\u003c\/li\u003e\n  \u003cli\u003eChrome or black finish options\u003c\/li\u003e\n  \u003cli\u003eOptional 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 412-4066B\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 10.1 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 Warning:\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 cruiser models. Check fitment details with your bike's year and model before ordering.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eCan I adjust the ride height with these shocks?\u003c\/h3\u003e\n\u003cp\u003eYes — the 5-position cam-style preload adjuster lets you dial in spring tension to match your weight and riding preference.\u003c\/p\u003e\n\u003ch3\u003eDo these require installation by a professional?\u003c\/h3\u003e\n\u003cp\u003eShock installation involves removing the old shocks and bolting on the new ones. Most riders use a shop, but experienced DIY mechanics can handle it with basic tools.\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 provide more support and resistance for heavier riders or two-up riding.\u003c\/p\u003e\n\u003ch3\u003eWill these fit my specific Harley model?\u003c\/h3\u003e\n\u003cp\u003eThese fit Harley-Davidson cruisers. Verify your model year and chassis type matches part number 412-4066B before purchasing.\u003c\/p\u003e\n\u003ch3\u003eAre these a bolt-on replacement?\u003c\/h3\u003e\n\u003cp\u003eYes — they bolt directly onto your bike's existing shock mounts in place of the factory shocks.\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":53040157425775,"sku":"T14-669165","price":379.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_05fa516d-1c8b-4406-ad4d-8d307019f8e4.png?v=1779565744","url":"https:\/\/vtwinbikers.com\/products\/progressive-412-shocks-harley-davidson-85","provider":"Vtwinbikers","version":"1.0","type":"link"}