{"product_id":"progressive-412-shocks-harley-davidson-78","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. The five-position preload adjuster lets you tune ride height and stiffness for your weight and riding style.\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 charged\u003c\/li\u003e\n  \u003cli\u003eMulti-stage velocity-sensitive damping\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 412-4056C\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 11.15 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalifornia Prop 65:\u003c\/strong\u003e Contains chemicals known to cause cancer and reproductive harm. Visit www.P65Warnings.ca.gov for more information.\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, as shock applications vary by chassis and rear suspension type.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eCan I adjust the ride height or stiffness?\u003c\/h3\u003e\n\u003cp\u003eYes — the 5-position cam-style preload adjuster lets you dial in stiffness and height to match your weight and riding preferences.\u003c\/p\u003e\n\u003ch3\u003eWhat's the difference between Standard and Heavy-Duty springs?\u003c\/h3\u003e\n\u003cp\u003eHeavy-Duty springs are rated for heavier riders or two-up riding. Standard springs suit lighter riders. Choose based on your typical load.\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 fitment details for your model to see if covers are available.\u003c\/p\u003e\n\u003ch3\u003eHow do nitrogen-charged shocks differ from conventional shocks?\u003c\/h3\u003e\n\u003cp\u003eGas-charged shocks maintain consistent damping under heat and repeated compression, preventing fade that can occur with non-pressurized designs.\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":53040157032559,"sku":"T14-669154","price":454.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_a0da6847-1f6c-49b6-95ef-9f20f33d5a8b.png?v=1779565647","url":"https:\/\/vtwinbikers.com\/products\/progressive-412-shocks-harley-davidson-78","provider":"Vtwinbikers","version":"1.0","type":"link"}