{"product_id":"emiho-trailer-ramp-torsion-spring-set-2-piece-1-rod-replacement-left-right-balanced-corrosion-resistant","title":"EMIHO Trailer Ramp Torsion Spring Set — 2-Piece 1\" Rod Replacement, Left \u0026 Right Balanced, Corrosion-Resistant","description":"\u003cb\u003eEMIHO's 2-piece trailer ramp torsion spring set replaces worn springs for trailers with a 1\" rod, restoring smooth lift and reliable support.\u003c\/b\u003e\n\n\u003cp\u003eIf your trailer ramp is heavy to raise or droops unevenly, this EMIHO spring pair is engineered to restore balance and function. Designed as a left-and-right replacement set, these coil torsion springs fit shafts with a 1\" diameter and swap in for part numbers like 3034278\/ST9437L and 3034279\/ST9437R. Each spring is heat-treated and surface coated to resist wear and corrosion so you get longer service life under outdoor conditions.\u003c\/p\u003e\n\n\u003ch3\u003eHow will these springs change ramp performance?\u003c\/h3\u003e\n\u003cp\u003eReplacing fatigued torsion springs brings back consistent lifting force and prevents the ramp from sagging or slamming shut. The matched left and right pieces distribute load evenly and reduce strain on hinge hardware for smoother operation over time.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRestored counterbalance for safer, easier ramp lifting\u003c\/li\u003e\n\u003cli\u003eEven load distribution to reduce hinge wear\u003c\/li\u003e\n\u003cli\u003eSmoother motion during opening and closing cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these springs compatible with my trailer?\u003c\/h3\u003e\n\u003cp\u003eThese springs are manufactured to fit trailers that use a 1\" rod or shaft and are intended as direct replacements for the listed OEM numbers. Confirm your existing spring dimensions and part references before ordering to ensure a proper match.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits shafts with a 1\" diameter\u003c\/li\u003e\n\u003cli\u003eReplaces part numbers 3034278\/ST9437L and 3034279\/ST9437R\u003c\/li\u003e\n\u003cli\u003eIncludes one left-side and one right-side spring for a full replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the materials and durability features?\u003c\/h3\u003e\n\u003cp\u003eEMIHO builds these coil springs from heavy-gauge steel with a protective surface finish to fend off rust and abrasion. That treatment helps maintain spring tension and extend functional life even when exposed to road grime and weather.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeavy-duty steel construction for load-bearing strength\u003c\/li\u003e\n\u003cli\u003eSurface coating improves corrosion and wear resistance\u003c\/li\u003e\n\u003cli\u003eFactory-tested units to ensure consistent performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what’s included?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone familiar with ramp hardware: the springs are meant to be swapped into the same positions as the worn originals. The set ships with one left and one right spring—no extra hardware—so you can quickly replace both sides and rebalance the ramp.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDirect swap for matching OEM-style mounts\u003c\/li\u003e\n\u003cli\u003eIncludes one left and one right torsion spring\u003c\/li\u003e\n\u003cli\u003eNo additional parts included—verify mounting clips or pins before replacing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This EMIHO torsion spring set is aimed at trailer owners, fleet maintenance teams, and DIY mechanics who need an affordable, durable replacement for worn ramp springs. If your trailer uses a 1\" shaft and the ramp no longer balances correctly, this left-and-right pair restores function and helps protect hinge components. Always confirm part compatibility before purchase and follow safe installation practices or consult a professional if unsure.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can these springs fit any trailer shaft?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They fit trailers using a 1\" rod\/shaft and replace the listed OEM part numbers; always verify your shaft diameter before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do both left and right springs come in the set?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the package includes one left-side and one right-side torsion spring for a full replacement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"EMIHO","offers":[{"title":"Default Title","offer_id":48085544566942,"sku":"B0C2PYGZ4Q","price":40.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/emiho-trailer-springs-front-packaging.jpg?v=1785872470","url":"https:\/\/northtrailauto.ca\/products\/emiho-trailer-ramp-torsion-spring-set-2-piece-1-rod-replacement-left-right-balanced-corrosion-resistant","provider":"North Trail Auto","version":"1.0","type":"link"}