{"product_id":"progressive-412-shocks-harley-davidson-103","title":"Progressive 412 Shocks — Harley-Davidson","description":"\u003cp\u003eProgressive 412 Series shocks deliver smooth, consistent damping through nitrogen-charged, multi-stage velocity-sensitive valving in a durable double-wall steel body. Available in standard or heavy-duty progressive rate springs with chrome or black finish, plus a five-position preload adjuster to match any rider weight.\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 valving\u003c\/li\u003e\n  \u003cli\u003e5-position cam-style preload adjuster\u003c\/li\u003e\n  \u003cli\u003eStandard or heavy-duty progressive rate spring options\u003c\/li\u003e\n  \u003cli\u003eChrome or black finish available\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 412-4079C\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 10.1 lbs\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 motorcycles. Verify your specific model and year before ordering to ensure correct application.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eCan I adjust the preload on these shocks?\u003c\/h3\u003e\n\u003cp\u003eYes — the 5-position cam-style preload adjuster lets you dial in ride height and stiffness to match 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 more weight and provide firmer support. Standard springs suit lighter riders. Choose based on your body weight and passenger loads.\u003c\/p\u003e\n\u003ch3\u003eDo these come with chrome covers?\u003c\/h3\u003e\n\u003cp\u003eNot all applications include show chrome covers. Some models offer them as an optional add-on. Check fitment details for your bike.\u003c\/p\u003e\n\u003ch3\u003eHow do nitrogen-charged shocks improve performance?\u003c\/h3\u003e\n\u003cp\u003eNitrogen pressurization prevents aeration and foaming of the oil, delivering consistent damping feel across long rides and repeated braking.\u003c\/p\u003e\n\u003ch3\u003eWill these fit my specific Harley model?\u003c\/h3\u003e\n\u003cp\u003eProgressive makes multiple 412 variants for different Harley platforms. Verify the part number matches your year and model before purchasing.\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":53040158605423,"sku":"T14-669183","price":379.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_dec2e0bf-24b0-4024-830b-2d60218e7c5f.png?v=1779565716","url":"https:\/\/vtwinbikers.com\/products\/progressive-412-shocks-harley-davidson-103","provider":"Vtwinbikers","version":"1.0","type":"link"}