{"product_id":"progressive-444-shocks-harley-davidson-37","title":"Progressive 444 Shocks — Harley-Davidson","description":"\u003cp\u003eProgressive 444 Series shocks for Harley-Davidson feature proprietary Frequency Sensing Technology that dynamically adjusts damping to both small and large bumps for a compliant ride. Top-mount threaded preload adjuster allows fine-tuning without special tools, and the shocks are made in the USA with a limited lifetime warranty.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eFrequency Sensing Technology (FST) automatically adjusts damping based on bump frequency\u003c\/li\u003e\n  \u003cli\u003eDeflective disc valving for responsive suspension control\u003c\/li\u003e\n  \u003cli\u003eProgressive rate spring\u003c\/li\u003e\n  \u003cli\u003eThreaded preload adjuster — hand-adjustable, no tools required\u003c\/li\u003e\n  \u003cli\u003eAvailable in standard or heavy duty spring rates\u003c\/li\u003e\n  \u003cli\u003eBlack or chrome finish options\u003c\/li\u003e\n  \u003cli\u003eMade in USA with limited lifetime warranty\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 444-4019C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 9 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Suspension \/ Shocks and Struts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Limited Lifetime\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWARNING:\u003c\/strong\u003e Contains material known to the State of California to cause cancer and reproductive harm — see P65Warnings.ca.gov\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson models. Confirm specific model and year fitment before ordering.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat is Frequency Sensing Technology and how does it work?\u003c\/h3\u003e\n\u003cp\u003eFST automatically senses bump frequency and adjusts oil flow through ports to match the hit — small bumps get quick response, large bumps get full absorption for a smoother ride.\u003c\/p\u003e\n\u003ch3\u003eCan I adjust the preload myself?\u003c\/h3\u003e\n\u003cp\u003eYes. The top-mount threaded adjuster allows you to change spring preload by hand with just a twist of the cap — no special tools needed.\u003c\/p\u003e\n\u003ch3\u003eAre these shocks available in different spring rates?\u003c\/h3\u003e\n\u003cp\u003eYes. The 444 Series comes in standard or heavy duty spring configurations to match your bike's weight and riding style.\u003c\/p\u003e\n\u003ch3\u003eWhat finish options are available?\u003c\/h3\u003e\n\u003cp\u003eChoose black or chrome finish to match your bike's aesthetic.\u003c\/p\u003e\n\u003ch3\u003eAre these street-legal?\u003c\/h3\u003e\n\u003cp\u003eYes, these shocks are DOT-compliant and street-legal for highway use.\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":53040162898031,"sku":"T14-669575","price":860.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_d8c8f4ae-8d48-41dc-bd6f-07e2f88fc335.png?v=1779566634","url":"https:\/\/vtwinbikers.com\/products\/progressive-444-shocks-harley-davidson-37","provider":"Vtwinbikers","version":"1.0","type":"link"}