{"product_id":"epi-heavy-duty-suspension-spring-we320020-atv-utv-shock-spring-upgrade","title":"EPI Heavy Duty Suspension Spring WE320020 | ATV\/UTV Shock Spring Upgrade","description":"\u003cul\u003e \u003cli\u003e \u003cp data-start=\"300\" data-end=\"785\"\u003eUpgrade your ATV or UTV suspension with this \u003cstrong data-start=\"345\" data-end=\"417\"\u003eEPI Heavy Duty Suspension Spring (Part #04310291 \/ Vendor #WE320020)\u003c\/strong\u003e — engineered for superior strength, durability, and improved load-carrying performance. Built from high-quality chrome silicon steel, this heavy duty spring is roughly \u003cstrong data-start=\"586\" data-end=\"617\"\u003e25-30 % stronger than stock\u003c\/strong\u003e, making it perfect for work machines, added accessories (plows, winches, trailers) or riders needing extra support and stability. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e \u003ch3 data-start=\"787\" data-end=\"817\"\u003e Product Specifications:\u003c\/h3\u003e \u003cul data-start=\"818\" data-end=\"1062\"\u003e \u003cli data-start=\"818\" data-end=\"848\"\u003e \u003cp data-start=\"820\" data-end=\"848\"\u003e\u003cstrong data-start=\"820\" data-end=\"830\"\u003eBrand:\u003c\/strong\u003e EPI Performance\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"849\" data-end=\"882\"\u003e \u003cp data-start=\"851\" data-end=\"882\"\u003e\u003cstrong data-start=\"851\" data-end=\"871\"\u003eOEM Part Number:\u003c\/strong\u003e 04310291\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"883\" data-end=\"919\"\u003e \u003cp data-start=\"885\" data-end=\"919\"\u003e\u003cstrong data-start=\"885\" data-end=\"908\"\u003eVendor Part Number:\u003c\/strong\u003e WE320020\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"920\" data-end=\"963\"\u003e \u003cp data-start=\"922\" data-end=\"963\"\u003e\u003cstrong data-start=\"922\" data-end=\"938\"\u003eSpring Rate:\u003c\/strong\u003e Heavy Duty, ~336 lb\/in\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"964\" data-end=\"985\"\u003e \u003cp data-start=\"966\" data-end=\"985\"\u003e\u003cstrong data-start=\"966\" data-end=\"977\"\u003eColour:\u003c\/strong\u003e Black\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"986\" data-end=\"1038\"\u003e \u003cp data-start=\"988\" data-end=\"1038\"\u003e\u003cstrong data-start=\"988\" data-end=\"1002\"\u003eCondition:\u003c\/strong\u003e New heavy duty replacement spring\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"1039\" data-end=\"1062\"\u003e \u003cp data-start=\"1041\" data-end=\"1062\"\u003e\u003cstrong data-start=\"1041\" data-end=\"1062\"\u003eSold Individually\u003c\/strong\u003e\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch3 data-start=\"1064\" data-end=\"1084\"\u003e Key Features:\u003c\/h3\u003e \u003cul data-start=\"1085\" data-end=\"1295\"\u003e \u003cli data-start=\"1085\" data-end=\"1143\"\u003e \u003cp data-start=\"1087\" data-end=\"1143\"\u003eHigh-quality chrome silicon construction for long life\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"1144\" data-end=\"1211\"\u003e \u003cp data-start=\"1146\" data-end=\"1211\"\u003eDesigned to be stronger and more durable than OEM stock springs\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"1212\" data-end=\"1249\"\u003e \u003cp data-start=\"1214\" data-end=\"1249\"\u003eReduces suspension sag under load\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"1250\" data-end=\"1295\"\u003e \u003cp data-start=\"1252\" data-end=\"1295\"\u003eIdeal for utility use and heavy accessories\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch3 data-start=\"1297\" data-end=\"1340\"\u003e Fitment \/ Compatibility Highlights\u003c\/h3\u003e \u003cp data-start=\"1341\" data-end=\"1584\"\u003eThis heavy duty spring is a \u003cstrong data-start=\"1369\" data-end=\"1391\"\u003edirect replacement\u003c\/strong\u003e option on a range of popular ATV\/UTV models. Confirm fitment with vehicle specifications before purchase — some listings show broad compatibility such as: \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp data-start=\"1586\" data-end=\"1623\"\u003e✔ \u003cstrong data-start=\"1588\" data-end=\"1621\"\u003eCan-Am \/ Bombardier Outlander\u003c\/strong\u003e\u003c\/p\u003e \u003cul data-start=\"1624\" data-end=\"1690\"\u003e \u003cli data-start=\"1624\" data-end=\"1658\"\u003e \u003cp data-start=\"1626\" data-end=\"1658\"\u003eOutlander 400 \/ XT (2003–2008)\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"1659\" data-end=\"1690\"\u003e \u003cp data-start=\"1661\" data-end=\"1690\"\u003eOutlander 400 4x4 (2003–2009)\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cp data-start=\"1692\" data-end=\"1714\"\u003e✔ \u003cstrong data-start=\"1694\" data-end=\"1712\"\u003ePolaris Ranger\u003c\/strong\u003e\u003c\/p\u003e \u003cul data-start=\"1715\" data-end=\"1808\"\u003e \u003cli data-start=\"1715\" data-end=\"1741\"\u003e \u003cp data-start=\"1717\" data-end=\"1741\"\u003eRanger 500 (2005–2009)\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"1742\" data-end=\"1778\"\u003e \u003cp data-start=\"1744\" data-end=\"1778\"\u003eRanger 500 4x4 \/ 2x4 (2005–2007)\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"1779\" data-end=\"1808\"\u003e \u003cp data-start=\"1781\" data-end=\"1808\"\u003eRanger 700 XP (2005–2009)\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cp data-start=\"1810\" data-end=\"1886\"\u003e✔ \u003cstrong data-start=\"1812\" data-end=\"1884\"\u003ePolaris Outlander \/ Other Models (reported fitment on some listings)\u003c\/strong\u003e\u003c\/p\u003e \u003cul data-start=\"1887\" data-end=\"1957\"\u003e \u003cli data-start=\"1887\" data-end=\"1920\"\u003e \u003cp data-start=\"1889\" data-end=\"1920\"\u003eOutlander 400 (various years)\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"1921\" data-end=\"1957\"\u003e \u003cp data-start=\"1923\" data-end=\"1957\"\u003eRanger 500 variants (front\/rear)\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cp data-start=\"1959\" data-end=\"2093\"\u003e\u003cem data-start=\"1959\" data-end=\"2091\"\u003e(Fitment above is representative. Please verify exact year\/model compatibility using your vehicle’s spec or ask us before buying.)\u003c\/em\u003e\u003c\/p\u003e \u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e \u003c\/ul\u003e","brand":"EPI","offers":[{"title":"Default Title","offer_id":56981049540986,"sku":"04310291","price":69.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/7982\/5682\/files\/a90b6c34-bd8e-41b7-b51f-01d921b94dc6.jpg?v=1781609323","url":"https:\/\/powersportswarehouse.co.uk\/products\/epi-heavy-duty-suspension-spring-we320020-atv-utv-shock-spring-upgrade","provider":"Power Sports Warehouse","version":"1.0","type":"link"}