{"product_id":"progressive-412-shocks-harley-davidson-39","title":"Progressive 412 Shocks — Harley-Davidson Electra Glide, Softail Heritage Classic, Electra Glide Classic (1955-2026)","description":"\u003cp\u003eProgressive 412 Series shocks deliver tunable suspension performance with a durable double-wall steel body and nitrogen-charged damping. The 5-position preload adjuster lets you dial in ride height and stiffness for solo or two-up riding, while multi-stage velocity-sensitive valving keeps the bike planted on rough pavement and corners.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble-wall steel damper construction\u003c\/li\u003e\n  \u003cli\u003eHigh-pressure nitrogen gas charging\u003c\/li\u003e\n  \u003cli\u003eMulti-stage velocity-sensitive damping valve\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\u003eChrome or black finish options\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 412-4068B\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 9.1 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:\u003c\/strong\u003e This product contains chemicals known to cause 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. Confirm your specific year and model with Progressive fitment charts before ordering.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I adjust the preload on these shocks?\u003c\/h3\u003e\n\u003cp\u003eUse the 5-position cam-style adjuster on the shock body to increase or decrease spring preload — one setting for light riders, five for heavier loads.\u003c\/p\u003e\n\u003ch3\u003eDo these shocks require installation by a mechanic?\u003c\/h3\u003e\n\u003cp\u003eShock installation varies by bike. Most riders have a qualified mechanic handle removal and installation to ensure proper alignment and torque specs.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference between standard and heavy-duty spring rates?\u003c\/h3\u003e\n\u003cp\u003eStandard rate suits most riders under 200 lbs. Heavy-duty springs support heavier riders or two-up riding without excessive sag.\u003c\/p\u003e\n\u003ch3\u003eAre full show chrome covers included?\u003c\/h3\u003e\n\u003cp\u003eChrome covers are an optional add-on on select applications. Check the product listing to confirm if your model offers them.\u003c\/p\u003e\n\u003ch3\u003eWill these improve my ride quality immediately?\u003c\/h3\u003e\n\u003cp\u003eYes — the nitrogen gas charging and multi-stage damping provide smoother, more consistent suspension response than many factory shocks from the first ride.\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":53040148185199,"sku":"T14-614029","price":379.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_605e63d3-7454-4258-944d-ef17c2878b3a.png?v=1779566630","url":"https:\/\/vtwinbikers.com\/products\/progressive-412-shocks-harley-davidson-39","provider":"Vtwinbikers","version":"1.0","type":"link"}