{"product_id":"progressive-412-shocks-harley-davidson-70","title":"Progressive 412 Shocks — Harley-Davidson","description":"\u003cp\u003eProgressive 412 shocks deliver durable suspension performance with a simple, proven design for Harley-Davidson motorcycles. Double-wall steel damper bodies house multi-stage velocity-sensitive valving and nitrogen charging for smooth, consistent damping across all riding conditions. Five-position preload adjustment lets you tune the ride 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 charging\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\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 412-4021C\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 9.95 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalifornia Prop 65 Warning:\u003c\/strong\u003e Yes — 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 motorcycles. Check your specific model year and application before ordering to ensure correct spring rate and mount geometry.\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. Spring rate selection (Standard or Heavy-Duty) is made at purchase.\u003c\/p\u003e\n\u003ch3\u003eWhat's the difference between Standard and Heavy-Duty springs?\u003c\/h3\u003e\n\u003cp\u003eStandard springs suit lighter riders; Heavy-Duty springs are engineered for heavier loads or two-up riding to prevent sagging.\u003c\/p\u003e\n\u003ch3\u003eDo these shocks come with Show Chrome covers?\u003c\/h3\u003e\n\u003cp\u003eShow Chrome covers are optional on select applications. Check fitment details for your model — some come standard, others sold separately.\u003c\/p\u003e\n\u003ch3\u003eHow long do these shocks typically last?\u003c\/h3\u003e\n\u003cp\u003eProgressive 412s are built for durability with nitrogen charging and steel construction. Lifespan depends on riding conditions and maintenance, but they're designed to perform for the life of your bike.\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":53040156606575,"sku":"T14-669146","price":379.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_7bcf4f75-c4ab-468d-bf9c-c840025d62f8.png?v=1779565685","url":"https:\/\/vtwinbikers.com\/products\/progressive-412-shocks-harley-davidson-70","provider":"Vtwinbikers","version":"1.0","type":"link"}