{"product_id":"progressive-412-shocks-harley-davidson-105","title":"Progressive 412 Shocks — Harley-Davidson","description":"\u003cp\u003eProgressive 412 Series shocks deliver smooth, consistent damping with a durable double-wall steel body and nitrogen-charged, multi-stage velocity-sensitive valving. Available in standard or heavy-duty progressive rate springs with chrome or black finish, plus a five-position preload adjuster to dial in ride height for any rider weight.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble-wall steel damper body\u003c\/li\u003e\n  \u003cli\u003eNitrogen-charged multi-stage velocity-sensitive valving\u003c\/li\u003e\n  \u003cli\u003eStandard or heavy-duty progressive rate springs\u003c\/li\u003e\n  \u003cli\u003e5-position cam-style preload adjuster\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 412-4081B\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 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Harley-Davidson\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWARNING:\u003c\/strong\u003e Cancer and Reproductive Harm — California Prop 65\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's fitment chart for correct application.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eCan I adjust the ride height?\u003c\/h3\u003e\n\u003cp\u003eYes — the 5-position cam-style preload adjuster lets you dial in your preferred ride height based on your weight and riding style.\u003c\/p\u003e\n\u003ch3\u003eWhat's the difference between standard and heavy-duty springs?\u003c\/h3\u003e\n\u003cp\u003eHeavy-duty springs support heavier riders and cargo without sagging. Standard springs suit lighter riders. Choose based on your weight and typical load.\u003c\/p\u003e\n\u003ch3\u003eAre show chrome covers included?\u003c\/h3\u003e\n\u003cp\u003eShow chrome covers are optional on select applications. Check fitment details for your model — they may be ordered separately.\u003c\/p\u003e\n\u003ch3\u003eDo these require installation by a shop?\u003c\/h3\u003e\n\u003cp\u003eShock installation typically requires suspension geometry knowledge. We recommend professional installation for safety and warranty coverage.\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":53040158703727,"sku":"T14-669185","price":379.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_a020e60d-b307-49da-81ec-6b39726071e4.png?v=1779565725","url":"https:\/\/vtwinbikers.com\/products\/progressive-412-shocks-harley-davidson-105","provider":"Vtwinbikers","version":"1.0","type":"link"}