{"product_id":"yukon-chrysler-8-75in-diff-489-case-dropout-assembly-3-55-ratio-30spl-w-sure-grip-w-o-yoke","title":"Yukon Chrysler 8.75in Diff 489 Case Dropout Assembly - 3.55 Ratio 30spl w\/ Sure-Grip (w\/o Yoke)","description":"\u003cp class=\"p1\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e: YDAC8.89-355P\/L \/ \u003cstrong\u003eUPC\u003c\/strong\u003e: 883584132004\u003c\/p\u003e\n\u003ch4 class=\"p1\"\u003e\n\u003cb\u003eYukon Chrysler 8.75\" Differential 489 Case Dropout Assembly with Sure-Grip LSD, 3.55 Ratio \u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h4\u003e\n\u003cp class=\"p1\"\u003eThe Yukon Chrysler 8.75\" Differential 489 Case Dropout Assembly, engineered for durability and precision in high-performance and racing applications. This fully assembled third-member dropout, part number YDAC8.89-355P\/L (UPC: 883584132004), is designed for seamless installation and reliable operation, making it the ideal choice for enthusiasts seeking a robust differential solution for their Dodge or Chrysler vehicles.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eKey Features and Benefits\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eNodular Iron Case\u003c\/b\u003e: Constructed from high-strength nodular iron, this 489 case ensures rigidity and power handling, reducing gear deflection for consistent contact and extended service life.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eSure-Grip\/Powr-Lok Limited Slip Differential\u003c\/b\u003e: Features a clutch-type, four-spider-gear design that enhances torque bias and traction, delivering confident handling in demanding conditions like street, strip, or off-road environments.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e3.55 Gear Ratio\u003c\/b\u003e: Precision-engineered for a balance of acceleration and efficiency, ideal for performance driving and towing applications.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e30-Spline Pinion\u003c\/b\u003e: Provides compatibility with high-torque setups, ensuring strength and reliability under heavy loads.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003ePre-Assembled and Ready to Install\u003c\/b\u003e: Built by Yukon’s expert technicians, this dropout is fully shimmed and backlashed to exact specifications. Simply install into your differential housing, bolt on the cover, add fluid, and drive.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eHeavy-Duty Construction\u003c\/b\u003e: Designed with upgraded materials compared to OEM, offering enhanced strength for racing and high-performance applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eWhat’s Included in the Purchase\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eYukon Dropout Assembly (Part Number: YDAC8.89-355P\/L)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eNodular iron 489 case\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eSure-Grip\/Powr-Lok limited slip differential (clutch-type)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e3.55 ratio ring and pinion gears\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e30-spline pinion\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eAll necessary internal bearings and seals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eNote\u003c\/b\u003e: Yoke and fill plug (Part Number: CHY612017) are \u003ci\u003enot\u003c\/i\u003e included and must be purchased separately.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eVehicle Fitment\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis dropout assembly is compatible with the following vehicles equipped with a Chrysler 8.75\" differential and 489 case:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eDodge\u003c\/b\u003e:\u003c\/li\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eCharger: 1966–1972\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eCoronet: 1965–1972\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eDart: 1963–1972\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eChallenger: 1970–1972\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eSuper Bee: 1968–1971\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eRamcharger: 1974\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eB-Series Vans: 1971–1972\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eD-Series Trucks: 1965–1972\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eW-Series Trucks: 1965–1972\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eChrysler\u003c\/b\u003e:\u003c\/li\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eImperial: 1966–1972\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eNew Yorker: 1966–1972\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eNewport: 1965–1972\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e300: 1966–1971\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003ePlymouth\u003c\/b\u003e:\u003c\/li\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eBarracuda: 1964–1972\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eBelvedere: 1965–1970\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eDuster: 1970–1972\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eFury: 1965–1972\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eGTX: 1967–1971\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eRoad Runner: 1968–1972\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eSatellite: 1965–1972\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eYear Range\u003c\/b\u003e: 1960–1972 (verify specific model and axle spline count).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eFitment Notes\u003c\/b\u003e: Confirm your vehicle’s differential is a Chrysler 8.75\" with a 489 case and 30-spline axles. This assembly is designed for “89” housing configurations. For precise fitment, consult your vehicle’s service manual or contact Yukon Gear \u0026amp; Axle support.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eDifferential Type\u003c\/b\u003e: Chrysler 8.75\" with 489 case\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eGear Ratio\u003c\/b\u003e: 3.55\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eSpline Count\u003c\/b\u003e: 30\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eCase Material\u003c\/b\u003e: Nodular iron\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eDifferential Type\u003c\/b\u003e: Sure-Grip\/Powr-Lok clutch-type limited slip\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eWeight\u003c\/b\u003e: Approximately 75 lbs\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eDimensions\u003c\/b\u003e: 13\" W x 15\" H x 13\" L\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eWarranty\u003c\/b\u003e: Refer to Yukon Gear \u0026amp; Axle’s warranty policy for details.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eWhy Choose This Yukon Dropout Assembly?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis Yukon dropout stands out for its meticulous craftsmanship, combining a nodular iron case with a high-performance Sure-Grip limited slip differential. Unlike standard OEM assemblies, it’s built to withstand the rigors of high-horsepower applications, offering improved traction and durability. The pre-assembled design saves time and ensures precision, making it a practical choice for both professional shops and DIY enthusiasts. Backed by Yukon Gear \u0026amp; Axle’s reputation for quality and rigorous in-house testing, this assembly delivers performance you can trust.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eInstallation Notes\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eRequires a compatible yoke (not included; recommend Yukon yoke for 29-spline pinion, part number YY C52068839).\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eFill plug (CHY612017) sold separately.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eUse high-quality differential fluid (refer to vehicle manual for specifications).\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eProfessional installation recommended for proper setup and longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eManufacturer Details\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eYukon Gear \u0026amp; Axle, a leading name in drivetrain components, manufactures this dropout assembly with state-of-the-art equipment and stringent quality control. Their Everett, WA facility features advanced testing labs, including Coordinate Measuring Machines (CMM), to ensure every part meets or exceeds OEM standards. Yukon’s commitment to quality extends to their extensive support for distributors and customers, ensuring you have the technical guidance needed for a successful installation.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eOrder Now\u003c\/b\u003e to equip your Chrysler or Dodge with the Yukon Chrysler 8.75\" Differential 489 Case Dropout Assembly (YDAC8.89-355P\/L) for reliable, high-performance operation.\u003c\/p\u003e","brand":"Yukon Gear \u0026 Axle","offers":[{"title":"Default Title","offer_id":43530234953807,"sku":"YUKYDAC8.89-355P\/L","price":1864.89,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/SKU_YDAC8.89-355P_L_UPC_883584132004.png?v=1755872479","url":"https:\/\/www.blackopsautoworks.com\/products\/yukon-chrysler-8-75in-diff-489-case-dropout-assembly-3-55-ratio-30spl-w-sure-grip-w-o-yoke","provider":"Black Ops Auto Works","version":"1.0","type":"link"}