{"product_id":"siapupy-trailer-shackle-kit-heavy-duty-leaf-spring-kit-for-3-5k-7-2k-axles-anti-rust-coating","title":"Siapupy Trailer Shackle Kit – Heavy-Duty Leaf Spring Kit for 3.5K–7.2K Axles | Anti-Rust Coating","description":"\u003ch2\u003eUpgraded trailer suspension, simplified\u003c\/h2\u003e\n\u003cp\u003eSiapupy’s Trailer Shackle Kit is designed for double-eye springs on tandem axles, covering 3,500–7,200 lb setups. Whether you work on a utility trailer, a boat trailer, or a cargo trailer, this kit aims to make repairs and upgrades straightforward. It’s suitable for use in home garages or professional workshops and pairs with trailer spring hangers for a complete system.\u003c\/p\u003e\n\u003ch3\u003eWhy you might choose it\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBroad compatibility across axle ranges and trailer types, for maintenance or upgrades.\u003c\/li\u003e\n  \u003cli\u003eAll-in-one package that includes equalizers, shackle straps, bushings, bolts, and locking nuts, minimizing add-ons.\u003c\/li\u003e\n  \u003cli\u003eRugged steel construction with an anti-rust coating to endure wet conditions and salt exposure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe kit’s precise sizing is designed to help you align components during installation and achieve a secure, reliable fit. With thoughtful details like pre-cut lengths and standard thread sizes, you may experience a smoother replacement process and a solid mounting base for your trailer.\u003c\/p\u003e\n\u003ch3\u003eDurable build for everyday use\u003c\/h3\u003e\n\u003cp\u003eConstructed from sturdy steel, the parts are finished to resist wear and corrosion, helping them hold up under regular road use. The anti-rust coating adds an extra layer of protection, contributing to longer life for essential suspension pieces in challenging environments.\u003c\/p\u003e\n\u003ch3\u003eFit, size, and installation-friendly design\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEqualizers with 7-3\/4\" hole spacing.\u003c\/li\u003e\n  \u003cli\u003eShackle straps measure 4.38\" long with 3-1\/8\" (3.12\") hole spacing.\u003c\/li\u003e\n  \u003cli\u003eBolts run 3-3\/8\" long; bushings are 9\/16\" I.D. and 11\/16\" O.D.; fasteners use 9\/16\"-18 threads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEach package also includes an assortment of essential hardware—two long triangular equalizers, eight shackle straps, eight bushings, fourteen bolts, and fourteen locking nuts—so you have what you need to complete a repair or upgrade in one purchase. The locking nuts are designed to resist loosening by ensuring secure engagement from multiple directions, contributing to steadier performance on the road.\u003c\/p\u003e\n\u003ch3\u003eQuality and compatibility in one kit\u003c\/h3\u003e\n\u003cp\u003eDesigned to meet typical trailer operation demands, this kit emphasizes wear and corrosion resistance while delivering a complete, ready-to-install solution for double-eye spring suspensions. The result is a practical option for those seeking a reliable, all-in-one trailer axle upgrade.\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: What axles does the Siapupy Trailer Shackle Kit fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits 3,500–7,200 lb double-eye spring tandems for utility, boat, and cargo trailers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include essential hardware for installation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—two equalizers, eight straps, eight bushings, fourteen bolts, fourteen locking nuts, and all needed components.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Siapupy","offers":[{"title":"Default Title","offer_id":42470113673301,"sku":"B0FK5D144D","price":79.09,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/siapupy-trailer-shackle-kit-equalizers.jpg?v=1778119125","url":"https:\/\/plentytorque.co.uk\/products\/siapupy-trailer-shackle-kit-heavy-duty-leaf-spring-kit-for-3-5k-7-2k-axles-anti-rust-coating","provider":"PlentyTorque","version":"1.0","type":"link"}