{"product_id":"aeagle-4-leaf-double-eye-trailer-springs-25-1-4in-eye-to-eye-1-750-lb-each-pair-rust-resistant","title":"Aeagle 4-Leaf Double-Eye Trailer Springs, 25-1\/4in Eye-to-Eye, 1,750 lb Each (Pair), Rust-Resistant","description":"\u003cp\u003e\u003cstrong\u003eAeagle 4-leaf double-eye trailer springs are a pair of heavy-duty replacement springs rated 1,750 lb each, designed to support 3,500 lb tandem-axle trailers with a 25-1\/4\" eye-to-eye length.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you need a dependable, direct-replacement leaf spring set for round trailer axles, this Aeagle kit delivers two 4-leaf, double-eye springs built for load stability and corrosion resistance. Each spring is supplied with pre-installed bushings and a rust-protective finish, making them ready to install for many towing needs. These springs are engineered to match common SW4B-fit applications and are not compatible with square-axle setups.\u003c\/p\u003e\n\n\u003ch3\u003eWill these springs fit my trailer axle and trailer weight?\u003c\/h3\u003e\n\u003cp\u003eThese springs suit round axles and are intended for trailers with a combined axle capacity of about 3,500 lb (1,750 lb per spring). Confirm your trailer uses round axle housings and that the eye-to-eye length matches.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated capacity: 1,750 lb per spring (pair supports 3,500 lb)\u003c\/li\u003e\n  \u003cli\u003eEye-to-eye length: 25-1\/4\" (measure your current spring)\u003c\/li\u003e\n  \u003cli\u003eDesigned for round axles only — not for square-axle applications\u003c\/li\u003e\n  \u003cli\u003eReplaces common SW4B-style springs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow are these springs built for durability and long service?\u003c\/h3\u003e\n\u003cp\u003eAeagle uses thicker leaf material and a protective coating to resist wear and corrosion under road exposure. Each leaf assembly is constructed from high-quality raw steel and finished with an anti-rust layer to extend service life in wet or salty environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLeaf thickness: 5\/16\" per leaf for strength and fatigue resistance\u003c\/li\u003e\n  \u003cli\u003eProtective anti-rust coating to reduce corrosion\u003c\/li\u003e\n  \u003cli\u003eQuality raw material selection to improve longevity\u003c\/li\u003e\n  \u003cli\u003eFactory-tested units with a 12-month warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the exact dimensions and hardware included?\u003c\/h3\u003e\n\u003cp\u003eThe kit arrives ready to mount with two installed bushings per spring and clear dimensional specs to match existing mounts. These details help ensure a straightforward swap without sourcing separate bushings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWidth of leaf pack: 1.75\" (1-3\/4\")\u003c\/li\u003e\n  \u003cli\u003eFree (open) arch: 3\" when unloaded\u003c\/li\u003e\n  \u003cli\u003eBushing diameter: 9\/16\" — two bushings installed per spring\u003c\/li\u003e\n  \u003cli\u003eFour leaves per spring, delivered as a pair (2 springs)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I approach installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eInstallation typically follows the same steps as standard double-eye leaf springs, but always verify fitment and torque specifications for your trailer. Routine inspections and keeping the springs clean will prolong service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompare eye-to-eye and bushing dimensions before purchasing\u003c\/li\u003e\n  \u003cli\u003eUse correct shackles, U-bolts, and torque specs for your axle type\u003c\/li\u003e\n  \u003cli\u003eInspect for wear, cracks, or loose hardware periodically\u003c\/li\u003e\n  \u003cli\u003eTouch up coating if paint is chipped to prevent corrosion\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Aeagle 4-leaf double-eye spring pair is aimed at trailer owners, small-fleet operators, and DIY mechanics who need a robust, ready-to-install replacement for round-axle trailers rated around 3,500 lb. Choose this kit if you require straightforward bolt-in replacement springs with installed bushings, clear dimensional specs (25-1\/4\" eye-to-eye, 3\" free arch), and corrosion-resistant treatment to withstand regular towing conditions.\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 square axles?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. These Aeagle double-eye springs are made for round axles only and will not fit square-axle designs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do the springs come with bushings installed?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Each spring includes two pre-installed 9\/16\" bushings for immediate installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aeagle","offers":[{"title":"Default Title","offer_id":48081360715934,"sku":"B0C1Z33NR5","price":96.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/aeagle-front-view-packaged-springs.jpg?v=1785800751","url":"https:\/\/northtrailauto.ca\/products\/aeagle-4-leaf-double-eye-trailer-springs-25-1-4in-eye-to-eye-1-750-lb-each-pair-rust-resistant","provider":"North Trail Auto","version":"1.0","type":"link"}