{"product_id":"progressive-412-shocks-harley-davidson-74","title":"Progressive 412 Shocks — Harley-Davidson","description":"\u003cp\u003eProgressive 412 Series shocks deliver smooth, consistent damping through a double-wall steel body and multi-stage velocity-sensitive valving, backed by nitrogen gas charging for long-term performance. The five-position cam preload adjuster lets you fine-tune suspension for your weight and riding style without tools.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble-wall steel damper construction\u003c\/li\u003e\n  \u003cli\u003eMulti-stage velocity-sensitive valving\u003c\/li\u003e\n  \u003cli\u003eHigh-pressure nitrogen gas charged\u003c\/li\u003e\n  \u003cli\u003e5-position cam-style preload adjuster\u003c\/li\u003e\n  \u003cli\u003eAvailable in standard or heavy-duty progressive springs\u003c\/li\u003e\n  \u003cli\u003eChrome or black finish options\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 412-4042B\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 11.92 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalifornia Prop 65 Warning:\u003c\/strong\u003e 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. Verify your specific year and model before ordering to ensure correct shock length and mounting.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eCan I adjust these shocks without tools?\u003c\/h3\u003e\n\u003cp\u003eYes. The 5-position cam-style preload adjuster lets you change ride height and firmness by hand in seconds.\u003c\/p\u003e\n\u003ch3\u003eWhat's the difference between standard and heavy-duty springs?\u003c\/h3\u003e\n\u003cp\u003eStandard springs are tuned for typical rider weight; heavy-duty springs provide stiffer support for heavier riders or carrying passengers and luggage.\u003c\/p\u003e\n\u003ch3\u003eWill these shocks improve my ride quality?\u003c\/h3\u003e\n\u003cp\u003eYes. The nitrogen gas charging and multi-stage damping provide consistent, smooth suspension performance compared to worn factory shocks.\u003c\/p\u003e\n\u003ch3\u003eAre show chrome covers included?\u003c\/h3\u003e\n\u003cp\u003eOptional on select applications — confirm availability for your specific Harley model. Order separately if not included with your 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":53040156868719,"sku":"T14-669150","price":454.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_519a6abf-2573-4387-9d20-43172dd9be51.png?v=1779565633","url":"https:\/\/vtwinbikers.com\/products\/progressive-412-shocks-harley-davidson-74","provider":"Vtwinbikers","version":"1.0","type":"link"}