{"product_id":"yukon-steel-full-spool-ford-9in-40-spline-axles","title":"Yukon Ford 9\" Steel Spool - 40 Spline","description":"\u003cp class=\"p1\"\u003eThe Yukon Ford 9\" Steel Full Spool is a simple, strong, and cost-effective solution for achieving 100% axle lockup in dedicated off-road, rock crawling, mud racing, drag racing, and competition vehicles. Unlike a differential or locker, a spool permanently locks both axle shafts together, ensuring equal torque is delivered to both wheels at all times.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eManufactured from high-strength 8620 steel and heat-treated for maximum durability, this spool is designed to handle the severe shock loads generated by large tires, high horsepower, aggressive launches, and extreme off-road conditions. Designed specifically for Ford 9 inch differentials using 40 spline axle shafts, this spool is an excellent choice for competition vehicles where maximum traction and drivetrain strength are more important than street manners.\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eIncludes:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003eFord 9\" steel full spool\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e40 spline configuration\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eDirect carrier replacement design\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 class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eBrand:\u003c\/b\u003e Yukon Gear \u0026amp; Axle\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e YP FSF9-40\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eProduct Type:\u003c\/b\u003e Full spool\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Ford 9 inch differential\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eSpline Count:\u003c\/b\u003e 40 spline\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 8620 heat-treated steel\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eTraction Type:\u003c\/b\u003e Permanent 100% lockup\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eCarrier Replacement:\u003c\/b\u003e Yes\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eStreet Legal Use:\u003c\/b\u003e Not recommended\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eQuantity:\u003c\/b\u003e Sold individually\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 class=\"t1\" cellpadding=\"0\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eYear\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eMake\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eModel\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eDifferential\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003e1966-1986\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eBronco\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord 9 Inch\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003e1969-1980\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eE-100, E-150, E-200, E-250 Econoline\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord 9 Inch\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003e1957-1987\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eF-100, F-150\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord 9 Inch\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003e1957-1970\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFairlane\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord 9 Inch\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003e1960-1970\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFalcon\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord 9 Inch\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003e1959-1974\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eGalaxie, Galaxie 500\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord 9 Inch\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003e1972-1976\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eGran Torino\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord 9 Inch\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003e1975-1979\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eGranada\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord 9 Inch\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003e1965-1979\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eLTD\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord 9 Inch\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003e1970-1977\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eMaverick\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord 9 Inch\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003e1965-1973\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eMustang\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord 9 Inch\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003e1957-1979\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eRanchero\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord 9 Inch\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003e1955-1979\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eThunderbird\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord 9 Inch\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003e1958-1979\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eLincoln\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eContinental\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord 9 Inch\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003e1968-1971\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eLincoln\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eMark III\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord 9 Inch\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003e1964-1977\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eMercury\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eComet\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord 9 Inch\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003e1967-1979\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eMercury\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eCougar\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord 9 Inch\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003e1975-1980\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eMercury\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eGrand Marquis\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"td1\" valign=\"top\"\u003e\n\u003cp class=\"p2\"\u003eFord 9 Inch\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eFitment Notes\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li2\"\u003eFits Ford 9 inch differentials configured with \u003cb\u003e40 spline axle shafts\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli class=\"li2\"\u003eReplaces the differential carrier assembly\u003c\/li\u003e\n\u003cli class=\"li2\"\u003eCompatible with many aftermarket Ford 9 inch third members\u003c\/li\u003e\n\u003cli class=\"li2\"\u003eVerify spline count, carrier configuration, and housing setup before ordering\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 class=\"p1\"\u003e\u003cb\u003e1. What is a full spool?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eA full spool permanently locks both axle shafts together, providing 100% torque to both wheels at all times with no differential action.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003e2. Is a spool stronger than a locker?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eYes. Because a spool contains no moving locking components, it is generally stronger and more reliable than most lockers in extreme racing and off-road applications.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003e3. Can I drive a spool on the street?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eA spool is \u003cb\u003enot recommended for street-driven vehicles\u003c\/b\u003e. Since both wheels remain locked together, tire scrub, increased tire wear, and poor street handling characteristics will occur.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003e4. What spline count does this spool require?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eThis spool is designed specifically for \u003cb\u003e40 spline axle shafts\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003e5. Is a spool good for rock crawling?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eMany competition rock crawlers, drag cars, mud racers, and dedicated off-road vehicles use spools because they provide constant traction and maximum drivetrain strength.\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":53425063264621,"sku":"YUKYP FSF9-40","price":374.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/1145\/3037\/files\/3644c0ab66d408828dc56020a45f6237.jpg?v=1781018149","url":"https:\/\/craneaxle.com\/products\/yukon-steel-full-spool-ford-9in-40-spline-axles","provider":"Crane Axle","version":"1.0","type":"link"}