{"product_id":"yukon-gear-steel-spool-for-dana-80-w-35-spline-axles-4-10","title":"Yukon Dana 80 Steel Spool – 35-Spline, 4.10 \u0026 Up","description":"\u003cp data-start=\"86\" data-end=\"527\"\u003eConvert your Dana 80 axle to full-time lockup with a heavy-duty steel spool designed for 35-spline builds. This spool replaces the factory differential carrier, permanently locking both axle shafts together for 100% torque delivery to each wheel. It’s a simple, reliable solution for rigs that demand maximum traction in straight-line applications like drag racing, mud trucks, and dedicated off-road builds.\u003c\/p\u003e\n\u003cp data-start=\"529\" data-end=\"894\"\u003eMachined from high-quality 8620 steel and heat treated for strength, this spool is built to handle extreme load and torque. Designed for Dana 80 axles with 4.10 and numerically higher gear ratios, it provides consistent performance without the complexity of a locker or limited slip. Ideal for builds where durability and traction take priority over street manners.\u003c\/p\u003e\n\u003cp data-start=\"896\" data-end=\"907\"\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"908\" data-end=\"980\"\u003e\n\u003cli data-section-id=\"1hu7z6t\" data-start=\"908\" data-end=\"944\"\u003e(1) Dana 80 Steel Spool (35-spline)\u003c\/li\u003e\n\u003cli data-section-id=\"1hu7z6t\" data-start=\"908\" data-end=\"944\"\u003e\u003cem\u003eDirect carrier replacement unit\u003c\/em\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1hu7z6t\" data-start=\"908\" data-end=\"944\"\u003e\u003cem\u003e\u003cmeta charset=\"utf-8\"\u003eIntended for off-road or racing use\u003c\/em\u003e\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\n          \u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M2.75 7H11.25\" class=\"vertical\"\u003e\u003c\/path\u003e\n          \u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M7 2.75L7 11.25\" class=\"horizontal\"\u003e\u003c\/path\u003e\n        \u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1ylwhul\" data-start=\"999\" data-end=\"1035\"\u003eFits Dana Spicer 80 differential\u003c\/li\u003e\n\u003cli data-section-id=\"1b9qjvh\" data-start=\"1036\" data-end=\"1068\"\u003e35-spline axle compatibility\u003c\/li\u003e\n\u003cli data-section-id=\"1myuffb\" data-start=\"1069\" data-end=\"1121\"\u003eCarrier: 4.10 and numerically higher gear ratios\u003c\/li\u003e\n\u003cli data-section-id=\"2vh6v0\" data-start=\"1122\" data-end=\"1159\"\u003eMaterial: 8620 heat-treated steel\u003c\/li\u003e\n\u003cli data-section-id=\"1yapnuh\" data-start=\"1160\" data-end=\"1206\"\u003eFull spool design (no differential action)\u003c\/li\u003e\n\u003cli data-section-id=\"17sffzg\" data-start=\"1207\" data-end=\"1259\"\u003eProvides 100% torque to both wheels at all times\u003c\/li\u003e\n\u003cli data-section-id=\"1q69g6f\" data-start=\"1260\" data-end=\"1311\"\u003eSimple installation in place of factory carrier\u003c\/li\u003e\n\u003cli data-section-id=\"1x2or89\" data-start=\"1312\" data-end=\"1364\"\u003eBuilt for high-load and high-torque applications\u003c\/li\u003e\n\u003c\/ul\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\n          \u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M2.75 7H11.25\" class=\"vertical\"\u003e\u003c\/path\u003e\n          \u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M7 2.75L7 11.25\" class=\"horizontal\"\u003e\u003c\/path\u003e\n        \u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC3500\u003c\/td\u003e\n\u003ctd\u003e1992–2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC3500HD\u003c\/td\u003e\n\u003ctd\u003e1991–2002\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eExpress 3500\u003c\/td\u003e\n\u003ctd\u003e1996–2005\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eG30\u003c\/td\u003e\n\u003ctd\u003e1992–1995\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eK3500\u003c\/td\u003e\n\u003ctd\u003e1990–1998\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eP30\u003c\/td\u003e\n\u003ctd\u003e1997–1999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eB3500\u003c\/td\u003e\n\u003ctd\u003e1995–1998\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 2500\u003c\/td\u003e\n\u003ctd\u003e1994–2002\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 2500 Van\u003c\/td\u003e\n\u003ctd\u003e1999–2003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 3500\u003c\/td\u003e\n\u003ctd\u003e1994–2002\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eE-350 Econoline\u003c\/td\u003e\n\u003ctd\u003e1988–1998\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eE-350 Econoline Club Wagon\u003c\/td\u003e\n\u003ctd\u003e1999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eE-350 Super Duty\u003c\/td\u003e\n\u003ctd\u003e2000–2010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eE-450 Econoline Super Duty\u003c\/td\u003e\n\u003ctd\u003e2000–2002\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eE-450 Super Duty\u003c\/td\u003e\n\u003ctd\u003e2003–2005\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eF-350\u003c\/td\u003e\n\u003ctd\u003e1988–1997\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eF-350 Super Duty\u003c\/td\u003e\n\u003ctd\u003e1999–2015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eF-450 Super Duty\u003c\/td\u003e\n\u003ctd\u003e1999–2005\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eC3500\u003c\/td\u003e\n\u003ctd\u003e1992–2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eC3500HD\u003c\/td\u003e\n\u003ctd\u003e2001–2002\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eK3500\u003c\/td\u003e\n\u003ctd\u003e1992–2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eP3500\u003c\/td\u003e\n\u003ctd\u003e1997–1999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"mr58cu\" data-start=\"1559\" data-end=\"1603\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eIntended for off-road or racing use only\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"f851g6\" data-start=\"1604\" data-end=\"1650\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eNot recommended for street-driven vehicles\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cb id=\"docs-internal-guid-785e0e5c-7fff-2ba3-1543-a8eda468b24e\"\u003e\u003cspan\u003eTech Insight\u003c\/span\u003e\u003c\/b\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\n          \u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M2.75 7H11.25\" class=\"vertical\"\u003e\u003c\/path\u003e\n          \u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M7 2.75L7 11.25\" class=\"horizontal\"\u003e\u003c\/path\u003e\n        \u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cp data-start=\"1694\" data-end=\"1964\"\u003eA full spool eliminates differential action by permanently locking both axle shafts together. This ensures maximum traction but also forces both wheels to rotate at the same speed at all times, which can cause tire scrub and driveline stress during turns.\u003c\/p\u003e\n\u003cp data-start=\"1966\" data-end=\"2190\"\u003eBecause of this, spools are best suited for straight-line or loose terrain applications where traction is critical. Proper gear setup and bearing preload are still required during installation to ensure long-term durability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e","brand":"Yukon Gear \u0026 Axle","offers":[{"title":"Default Title","offer_id":56434447941798,"sku":"YUKYP FSD80-4-35","price":631.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8394\/6406\/files\/YPFSD80-4-35-Dana-80-steel-spool-35-spline.jpg?v=1777667360","url":"https:\/\/wideopendesign.com\/products\/yukon-gear-steel-spool-for-dana-80-w-35-spline-axles-4-10","provider":"Wide Open Design","version":"1.0","type":"link"}