{"product_id":"progressive-412-shocks-harley-davidson-59","title":"Progressive 412 Shocks — Harley-Davidson","description":"\u003cp\u003eProgressive 412 Series shocks deliver reliable suspension performance with a durable double-wall steel body and nitrogen-charged, velocity-sensitive damping. Five-position preload adjustment lets you tune the ride for your weight and riding style, and available Show Chrome covers let you customize the look.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble-wall steel damper construction\u003c\/li\u003e\n  \u003cli\u003eMultistage velocity-sensitive damping\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\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 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 412-4004C\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\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 models. Verify your specific year and model before ordering to ensure correct application.\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 lets you dial preload up or down to match your weight and riding preferences without tools.\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 or loaded touring bikes. Standard springs work best for typical street riders.\u003c\/p\u003e\n\u003ch3\u003eDo these come with Show Chrome covers?\u003c\/h3\u003e\n\u003cp\u003eShow Chrome covers are optional on select applications. Check your model fitment — some applications include them, others sell them separately.\u003c\/p\u003e\n\u003ch3\u003eHow often do I need to service these shocks?\u003c\/h3\u003e\n\u003cp\u003eAs a sealed, nitrogen-charged unit, the 412s require no routine maintenance. Replace when performance degrades over time.\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":53040155557999,"sku":"T14-669135","price":379.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_5608a82d-262b-41b4-bc8d-c1fa56217dcf.png?v=1779565674","url":"https:\/\/vtwinbikers.com\/products\/progressive-412-shocks-harley-davidson-59","provider":"Vtwinbikers","version":"1.0","type":"link"}