{"product_id":"progressive-412-shocks-harley-davidson-87","title":"Progressive 412 Shocks — Harley-Davidson","description":"\u003cp\u003eProgressive 412 Series shocks deliver tunable suspension performance with a durable double-wall steel body and high-pressure nitrogen charge. The five-position preload adjuster and multi-stage velocity-sensitive valving let riders dial in comfort and control across different load conditions and riding styles.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble-wall steel damper body\u003c\/li\u003e\n  \u003cli\u003eHigh-pressure nitrogen charged\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 and Heavy-Duty progressive spring rates available\u003c\/li\u003e\n  \u003cli\u003eChrome or black finish options\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 412-4067C\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 9.25 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalifornia Prop 65 Warning:\u003c\/strong\u003e 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 application.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eCan I adjust these shocks for different riders?\u003c\/h3\u003e\n\u003cp\u003eYes. The 5-position cam-style preload adjuster lets light and heavy riders dial in the right ride height and spring rate.\u003c\/p\u003e\n\u003ch3\u003eWhat's the difference between Standard and Heavy-Duty springs?\u003c\/h3\u003e\n\u003cp\u003eStandard springs suit typical riders; Heavy-Duty springs handle heavier loads or two-up riding. Choose based on your weight and typical load.\u003c\/p\u003e\n\u003ch3\u003eDo these come with chrome covers?\u003c\/h3\u003e\n\u003cp\u003eStandard models have a black finish. Full show chrome covers are available as an optional upgrade on select applications.\u003c\/p\u003e\n\u003ch3\u003eHow do the velocity-sensitive valves work?\u003c\/h3\u003e\n\u003cp\u003eThey adjust damping resistance based on suspension speed, giving smooth compliance over small bumps and firm control during hard compression.\u003c\/p\u003e\n\u003ch3\u003eWhat's the advantage of nitrogen charging?\u003c\/h3\u003e\n\u003cp\u003eNitrogen prevents aeration and foaming inside the shock, ensuring consistent damping performance over time and temperature changes.\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":53040157491311,"sku":"T14-669167","price":379.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_d8f16bb5-6498-4c56-ac0e-866f5fbf917c.png?v=1779565986","url":"https:\/\/vtwinbikers.com\/products\/progressive-412-shocks-harley-davidson-87","provider":"Vtwinbikers","version":"1.0","type":"link"}