{"product_id":"yukon-steel-spool-gm-8-5in-8-6in-30-spline-axles","title":"Yukon GM 8.5\" \u0026 8.6\" Steel Spool - 30-Spline, 2.73 \u0026 Up Gear Ratios","description":"\u003cp data-pm-slice=\"0 0 []\"\u003eThis 30-spline steel spool for GM 8.5\" and 8.6\" rear axles is designed to deliver maximum strength and full-time traction in \u003cmeta charset=\"utf-8\"\u003edrag racing, mud trucks, and dedicated trail rigs where traction and simplicity are critical.. By replacing the factory differential carrier, it permanently locks both axle shafts together, ensuring equal torque delivery to both wheels under all conditions.\u003c\/p\u003e\n\u003cp\u003eCommonly found in GM trucks, SUVs, and performance cars, the 8.5\" and 8.6\" axles, this spool is engineered to handle the increased load demands of these platforms when properly set up with C-clip eliminators, making it a reliable upgrade for high-performance and extreme-use builds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yukon 30-Spline Steel Spool for GM 8.5\" \/ 8.6\"\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 width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n          \u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n          \u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\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=\"o8engl\" data-start=\"1421\" data-end=\"1457\"\u003eManufacturer: Yukon\u003c\/li\u003e\n\u003cli data-section-id=\"o8engl\" data-start=\"1421\" data-end=\"1457\"\u003eP\/N: \u003cmeta charset=\"utf-8\"\u003e \u003cspan data-sheets-root=\"1\"\u003eYP FSGM8.5-30\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"o8engl\" data-start=\"1421\" data-end=\"1457\"\u003eFits: GM 8.5\" and 8.6\" rear axles\u003c\/li\u003e\n\u003cli data-section-id=\"1hf1zcl\" data-start=\"1458\" data-end=\"1490\"\u003e30-spline axle compatibility\u003c\/li\u003e\n\u003cli data-section-id=\"qeooxh\" data-start=\"1491\" data-end=\"1531\"\u003eDesigned for 2.73 and up gear ratios\u003c\/li\u003e\n\u003cli data-section-id=\"b3vs26\" data-start=\"1532\" data-end=\"1573\"\u003eProvides 100% traction to both wheels\u003c\/li\u003e\n\u003cli data-section-id=\"1ttldhs\" data-start=\"1574\" data-end=\"1614\"\u003e8620 heat-treated steel construction\u003c\/li\u003e\n\u003cli data-section-id=\"x9bosm\" data-start=\"1615\" data-end=\"1668\"\u003eInstalls in place of factory differential carrier\u003c\/li\u003e\n\u003cli data-section-id=\"1ikv0u7\" data-start=\"1669\" data-end=\"1700\"\u003eRequires C-clip eliminators\u003c\/li\u003e\n\u003cli data-section-id=\"162eyzm\" data-start=\"1701\" data-end=\"1741\"\u003eDesigned for off-road and racing use\u003c\/li\u003e\n\u003cli data-section-id=\"f851g6\" data-start=\"1742\" data-end=\"1788\"\u003eNot recommended for street-driven vehicles\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 width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n          \u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n          \u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\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\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eApollo\u003c\/td\u003e\n\u003ctd\u003e1973–1975\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eElectra\u003c\/td\u003e\n\u003ctd\u003e1971–1989\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eRegal\u003c\/td\u003e\n\u003ctd\u003e1973–1987\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eRiviera\u003c\/td\u003e\n\u003ctd\u003e1975–1978\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eSkylark\u003c\/td\u003e\n\u003ctd\u003e1970–1979\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCadillac\u003c\/td\u003e\n\u003ctd\u003eEscalade\u003c\/td\u003e\n\u003ctd\u003e1999–2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eBel Air\u003c\/td\u003e\n\u003ctd\u003e1970–1975\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eBlazer\u003c\/td\u003e\n\u003ctd\u003e1987–1994\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC10\/C1500 Pickup \u0026amp; Suburban\u003c\/td\u003e\n\u003ctd\u003e1979–1999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC2500\u003c\/td\u003e\n\u003ctd\u003e1989–2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCamaro\u003c\/td\u003e\n\u003ctd\u003e1970–1981\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCaprice\u003c\/td\u003e\n\u003ctd\u003e1970–1996\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eChevelle\u003c\/td\u003e\n\u003ctd\u003e1973\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eEl Camino\u003c\/td\u003e\n\u003ctd\u003e1971–1976\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eExpress 1500\u003c\/td\u003e\n\u003ctd\u003e1996–2003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eG10\/G20 Vans\u003c\/td\u003e\n\u003ctd\u003e1975–1995\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eImpala\u003c\/td\u003e\n\u003ctd\u003e1971–1996\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eK10\/K1500 Pickup \u0026amp; Suburban\u003c\/td\u003e\n\u003ctd\u003e1977–1999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eK20 Pickup \u0026amp; Suburban\u003c\/td\u003e\n\u003ctd\u003e1977–1986\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eK5 Blazer\u003c\/td\u003e\n\u003ctd\u003e1977–1986\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eMalibu\u003c\/td\u003e\n\u003ctd\u003e1978–1983\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eMonte Carlo\u003c\/td\u003e\n\u003ctd\u003e1973–1978\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eNova\u003c\/td\u003e\n\u003ctd\u003e1970–1979\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eR10\/R1500 Suburban\u003c\/td\u003e\n\u003ctd\u003e1987–1991\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eS10\u003c\/td\u003e\n\u003ctd\u003e1994–2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban 1500\u003c\/td\u003e\n\u003ctd\u003e2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eTahoe\u003c\/td\u003e\n\u003ctd\u003e1995–1998\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eV10\/V1500 Suburban\u003c\/td\u003e\n\u003ctd\u003e1987–1991\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eV20\/V2500 Suburban\u003c\/td\u003e\n\u003ctd\u003e1987–1991\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eC1500 Pickup \u0026amp; Suburban\u003c\/td\u003e\n\u003ctd\u003e1979–1999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eC2500\u003c\/td\u003e\n\u003ctd\u003e1997–2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eG1500\/G2500 Vans\u003c\/td\u003e\n\u003ctd\u003e1978–1995\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eK15\/K1500 Pickup \u0026amp; Suburban\u003c\/td\u003e\n\u003ctd\u003e1977–1999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eK25\/K2500 Pickup \u0026amp; Suburban\u003c\/td\u003e\n\u003ctd\u003e1977–1986\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eR1500\/R1500 Suburban\u003c\/td\u003e\n\u003ctd\u003e1987–1991\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSavana 1500\/2500\u003c\/td\u003e\n\u003ctd\u003e1996–2003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSonoma\u003c\/td\u003e\n\u003ctd\u003e1994–2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eTyphoon\u003c\/td\u003e\n\u003ctd\u003e1992–1993\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eV1500\/V1500 Suburban\u003c\/td\u003e\n\u003ctd\u003e1987–1991\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eV2500\/V2500 Suburban\u003c\/td\u003e\n\u003ctd\u003e1987–1991\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eYukon\u003c\/td\u003e\n\u003ctd\u003e1992–2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eCutlass\u003c\/td\u003e\n\u003ctd\u003e1970–1977\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eCutlass Supreme\u003c\/td\u003e\n\u003ctd\u003e1985–1987\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eOmega\u003c\/td\u003e\n\u003ctd\u003e1973–1979\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eBonneville\u003c\/td\u003e\n\u003ctd\u003e1970–1986\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eCatalina\u003c\/td\u003e\n\u003ctd\u003e1970–1981\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eFirebird\u003c\/td\u003e\n\u003ctd\u003e1970–1981\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eGrand Prix\u003c\/td\u003e\n\u003ctd\u003e1971–1987\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eGTO\u003c\/td\u003e\n\u003ctd\u003e1970–1973\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eLeMans\u003c\/td\u003e\n\u003ctd\u003e1971–1981\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eVentura\u003c\/td\u003e\n\u003ctd\u003e1976–1977\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1r6krxi\" data-start=\"1955\" data-end=\"2003\"\u003e2.73 and numerically higher gear ratios only\u003c\/li\u003e\n\u003cli data-section-id=\"177uchg\" data-start=\"2004\" data-end=\"2045\"\u003eRequires C-clip eliminator conversion\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 width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n          \u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n          \u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\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=\"2075\" data-end=\"2360\"\u003eGM 8.5\" and 8.6\" axles are widely used due to their strength and availability, but their factory C-clip axle retention system can become a weak point under extreme loads. When converting to a spool, eliminating differential action increases stress on axle shafts and retention systems.\u003c\/p\u003e\n\u003cp data-start=\"2362\" data-end=\"2637\"\u003eFor this reason, C-clip eliminators are required to safely retain the axles when running a spool. Once properly set up, the combination of a spool and upgraded retention system transforms these axles into a much stronger, more reliable platform for racing and off-road abuse.\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":56440808112294,"sku":"YUKYP FSGM8.5-30","price":379.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8394\/6406\/files\/YPFSGM8.5-30-GM-8.5-8.6-spool-30-spline.jpg?v=1777996499","url":"https:\/\/wideopendesign.com\/products\/yukon-steel-spool-gm-8-5in-8-6in-30-spline-axles","provider":"Wide Open Design","version":"1.0","type":"link"}