{"product_id":"jtfrkope-go-kart-live-axle-hub-kit-4-x-4-step-down-hubs-for-8-wheels-1-to-3-4-with-1-4-keyed-shaft","title":"jtfrkope Go-Kart Live Axle Hub Kit — 4\" x 4\" Step-Down Hubs for 8\" Wheels, 1\" to 3\/4\" with 1\/4\" Keyed Shaft","description":"\u003cstrong\u003ejtfrkope’s 4\" x 4\" live axle hub kit provides a durable step-down hub solution for 8\" go-kart wheels, featuring a 1\/4\" keyed shaft interface and all hardware needed for installation.\u003c\/strong\u003e\n\n\u003cp\u003eThis two-piece hub set is designed to adapt a 1\" inboard axle to a 3\/4\" outboard shaft while fitting 8\" rear and front wheels commonly used on go-karts and dune buggies. Engineered from robust metal, the hubs include a 2-3\/4\" length for secure wheel mounting, M12×1.2 lug nuts, and dedicated flat keys to lock the hub to the axle. The kit is intended for hobbyists, repair shops, and builders who need a compact, serviceable live axle hub with straightforward fitment.\u003c\/p\u003e\n\n\u003ch3\u003eWill these hubs fit my go-kart wheels and axle sizes?\u003c\/h3\u003e\n\u003cp\u003eYes—this kit is made to bridge axles and wheels that match the listed dimensions. Confirm your axle and wheel bore measurements before buying to ensure compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for 8\" diameter rear\/front wheels.\u003c\/li\u003e\n  \u003cli\u003eInboard shaft diameter: 1\"; outboard shaft diameter: 3\/4\" step-down.\u003c\/li\u003e\n  \u003cli\u003eOverall hub diameter approximately 5\" with 2-3\/4\" hub length.\u003c\/li\u003e\n  \u003cli\u003eIncludes a 1\/4\" keyed slot for mechanical drive engagement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install the jtfrkope live axle hubs?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone familiar with basic wheel and axle work. Slide the hub onto the shaft, align the keyway, insert the supplied flat key, and tighten the lug nuts to the wheel or hub per vehicle torque recommendations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSlide hub onto stepped axle, aligning the 1\/4\" keyway slot.\u003c\/li\u003e\n  \u003cli\u003eInsert the dedicated flat key to prevent rotation between shaft and hub.\u003c\/li\u003e\n  \u003cli\u003eSecure wheels using the included M12×1.2 lug nuts and proper torque.\u003c\/li\u003e\n  \u003cli\u003eCheck for play and re-torque after initial ride hours.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and durability can I expect from this kit?\u003c\/h3\u003e\n\u003cp\u003eThe hubs are manufactured from quality metal chosen for wear resistance and strength under typical kart loads. They’re built to withstand the stresses of recreational off-road and track use when installed and maintained correctly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConstructed from premium metal for durability and impact resistance.\u003c\/li\u003e\n  \u003cli\u003eMachined keyway and stepped diameters for tight, repeatable fit.\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant finish suitable for outdoor use (inspect periodically).\u003c\/li\u003e\n  \u003cli\u003eSupplied hardware designed for secure mounting and longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the package and what should I check on arrival?\u003c\/h3\u003e\n\u003cp\u003eThe kit arrives with both hubs and all small parts needed for installation. On receipt, inspect components for shipping damage and verify dimensions against your vehicle before mounting.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2 x jtfrkope go-kart axle hubs (4\" x 4\" style, 2-3\/4\" hub length).\u003c\/li\u003e\n  \u003cli\u003e2 x dedicated 1\/4\" flat keys to fit the keyway slot.\u003c\/li\u003e\n  \u003cli\u003e8 x M12×1.2 lug nuts for wheel attachment.\u003c\/li\u003e\n  \u003cli\u003eConfirm shaft diameters: 1\" inboard, 3\/4\" outboard step-down.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Builders, DIY kart enthusiasts, and small repair shops needing a compact, reliable live axle hub for 8\" wheels will find this jtfrkope kit useful. It’s best for vehicles using a stepped axle arrangement with a 1\/4\" keyway requirement, and for anyone who wants a ready-to-install hub set with hardware included. If your kart uses different wheel or shaft sizes, double-check measurements or consult a technician before purchasing.\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: Does this kit include the keys and lug nuts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The package contains 2 flat 1\/4\" keys and 8 M12×1.2 lug nuts for both hubs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will these hubs work with non-stepped axles?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They’re intended for a stepped 1\" to 3\/4\" configuration; non-stepped axles may need adapters or machining.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"jtfrkope","offers":[{"title":"Default Title","offer_id":48084170866846,"sku":"B0CJ6L78RG","price":78.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/jtfrkope-hub-front-view_33476288-a158-4652-8f92-096bca28e938.jpg?v=1785848310","url":"https:\/\/northtrailauto.ca\/products\/jtfrkope-go-kart-live-axle-hub-kit-4-x-4-step-down-hubs-for-8-wheels-1-to-3-4-with-1-4-keyed-shaft","provider":"North Trail Auto","version":"1.0","type":"link"}