{"product_id":"mcs974635","title":"Progressive Suspension 444 Series Shock Set. 13\". Heavy Duty. Black – 1991–2017 Dyna","description":"\u003ch2\u003eProgressive Suspension 444 Series Shock Set. 13\". Heavy Duty. Black – 1991–2017 Dyna\u003c\/h2\u003e\n\u003cp\u003e444 series shocks - Best. Comes with FST (Frequency Sensing Technology) which dynamically adjusts damping; according to road surface. Top mount threaded hand adjustable preload. What are Progressive Suspension''s ''Heavy Duty'' shocks? If you are a lightweight rider with a lightweight passenger; STD Duty is probably your best choice; heavy duty shocks will give you a harsh ride. For Big Guys \u0026amp; Gals with a lot of baggage; Heavy Duty springs are the way to go. Heavy Duty is not better; it''s different.Heavy Duty shocks or springs are recommended to be used on motorcycles that are operated at or near the manufacturers maximum load rating over 50% of the time.\u003c\/p\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003e91-17 Dyna (Excl. 12-16 FLD Switchback) (NU)\u003c\/p\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Progressive Suspension\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e SUSPENSION\/FORK \u0026gt; SHOCK ABSORBERS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit:\u003c\/strong\u003e PR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct code:\u003c\/strong\u003e 974635\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePart Numbers\u003c\/h2\u003e\n\u003cp\u003eMCS Part Number: 974635\u003cbr\u003eManufacturer Part Number: 444-4051B\u003c\/p\u003e","brand":"Progressive Suspension","offers":[{"title":"Default Title","offer_id":57378983543171,"sku":"MCS974635","price":849.78,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1329\/4265\/files\/mcs-974625k.jpg?v=1790365594","url":"https:\/\/hogparts.co.uk\/products\/mcs974635","provider":"Hogparts UK Ltd","version":"1.0","type":"link"}