{"product_id":"gm-14-bolt-40-spline-spool-4-56-up","title":"GM 14-Bolt Steel Spool - 10.5\" Axle, 4.10 \u0026 Down, 40 Spline","description":"\u003cp\u003eThis Yukon \u003cmeta charset=\"utf-8\"\u003eGM 14-Bolt 40 Spline Spool is built from high quality steel to deliver maximum strength and durability in extreme off-road and competition use. This GM 14-Bolt Steel Spool replaces the factory differential, locking both rear wheels together for full-time traction. Ideal for trail rigs, mud trucks, and rock bouncers running 10.5\" 14-Bolt axles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yukon 14-Bolt 40-Spline Steel Spool\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 14 14\" height=\"14\" width=\"14\"\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M2.75 7H11.25\" class=\"vertical\"\u003e\u003c\/path\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M7 2.75L7 11.25\" class=\"horizontal\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003ctable height=\"293\" style=\"border: 1px solid rgb(204, 204, 204); border-collapse: collapse; width: 100.676%; height: 285px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003cth style=\"background-color: rgb(0, 0, 0); color: rgb(255, 255, 255); text-align: center; border: 1px solid rgb(204, 204, 204); padding: 8px; width: 46.3353%; height: 19.6023px;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background-color: rgb(0, 0, 0); color: rgb(255, 255, 255); text-align: center; border: 1px solid rgb(204, 204, 204); padding: 8px; width: 53.6514%; height: 19.6023px;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; width: 46.3353%; height: 19.6023px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; width: 53.6514%; height: 19.6023px;\"\u003eYukon Gear \u0026amp; Axle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; width: 46.3353%; height: 19.6023px;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; width: 53.6514%; height: 19.6023px;\"\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; width: 46.3353%; height: 19.6023px;\"\u003eAxle Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; width: 53.6514%; height: 19.6023px;\"\u003eGM 10.5\" 14-Bolt Truck\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; width: 46.3353%; height: 19.6023px;\"\u003eSpline Count\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; width: 53.6514%; height: 19.6023px;\"\u003e40 Spline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 10px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; width: 46.3353%; height: 10px;\"\u003eGear Ratio Compatibility\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; width: 53.6514%; height: 10px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e4.10-and-down gear ratio\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; width: 46.3353%; height: 19.6023px;\"\u003eTraction Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; width: 53.6514%; height: 19.6023px;\"\u003eFull Spool (Locked 100%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5966px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; width: 46.3353%; height: 35.5966px;\"\u003eRecommended Use\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 8px; width: 53.6514%; height: 35.5966px;\"\u003e\n\u003cp\u003eOff-Road \/ Competition Only\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 14 14\" height=\"14\" width=\"14\"\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M2.75 7H11.25\" class=\"vertical\"\u003e\u003c\/path\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M7 2.75L7 11.25\" class=\"horizontal\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003ctable style=\"border: 1px solid #ccc; border-collapse: collapse; width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"background-color: #000; color: #fff; text-align: center; border: 1px solid #ccc; padding: 8px;\"\u003eYear\u003c\/th\u003e\n\u003cth style=\"background-color: #000; color: #fff; text-align: center; border: 1px solid #ccc; padding: 8px;\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"background-color: #000; color: #fff; text-align: center; border: 1px solid #ccc; padding: 8px;\"\u003eModel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003e1973 – 2020\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003eChevrolet\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003eC20 \/ C30 \/ K20 \/ K30 \/ Silverado 2500 \/ Silverado 3500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003e1973 – 2020\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003eGMC\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003eC25 \/ C35 \/ K25 \/ K35 \/ Sierra 2500 \/ Sierra 3500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003e1975 – 1993\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003eChevrolet \/ GMC\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003eSuburban 2500 \/ 3500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003e1975 – 1993\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003eChevrolet \/ GMC\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003eVan G30 \/ G35\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003e1973 – 1991\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003eChevrolet\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003eBlazer \/ K5 (with 14 Bolt Rear Swap)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary\u003e\u003cstrong\u003eTech Insight\u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 14 14\" height=\"14\" width=\"14\"\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M2.75 7H11.25\" class=\"vertical\"\u003e\u003c\/path\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M7 2.75L7 11.25\" class=\"horizontal\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cp\u003eThis spool completely replaces the stock differential carrier, locking both axles together so they spin at the same speed. This design eliminates wheel slip and ensures consistent traction under extreme load and is ideal for off-road rock crawlers, drag racing, and mud trucks. However, because it prevents differential action, it causes tire scrub and driveline stress on pavement, making it unsuitable for street use. \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProvides 100% traction to both rear wheels at all times\u003c\/li\u003e\n\u003cli\u003ePrecision machined steel construction for maximum strength\u003c\/li\u003e\n\u003cli\u003eDesigned for performance and off-road applications\u003c\/li\u003e\n\u003cli\u003eNot recommended for street-driven vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e","brand":"Yukon Gear \u0026 Axle","offers":[{"title":"Default Title","offer_id":56095456919718,"sku":"YPFSGM14T-3-40","price":425.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8394\/6406\/files\/YPFSGM14T-3-40-GM14-Bolt-30Spline-Spool-1.jpg?v=1777673840","url":"https:\/\/wideopendesign.com\/products\/gm-14-bolt-40-spline-spool-4-56-up","provider":"Wide Open Design","version":"1.0","type":"link"}