{"product_id":"yukon-gear-master-overhaul-kit-15-ford-mustang-f150-8-8in-rear","title":"Yukon ZK F8.8-D Ford Super 8.8in Overhaul Kit for 2015-2026 Mustang\/F-150","description":"\u003ch4\u003eVehicle Fitment\u003c\/h4\u003e\u003cul\u003e \u003cli\u003e2015-2026 Ford Mustang - independent rear suspension (IRS), \"Super 8.8\" rear differential\u003c\/li\u003e \u003cli\u003e2015-2026 Ford F-150 - solid (live) axle, \"Super 8.8\" rear differential\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFitment Notes\u003c\/h4\u003e\u003cul\u003e \u003cli\u003eNot all 2015+ F-150s use the Super 8.8 - some are equipped with the Ford 9.75\" differential instead. Ford does not encode this in the VIN, so confirm which differential your truck has before ordering\u003c\/li\u003e \u003cli\u003eThe Super 8.8 replaced the earlier Ford 8.8\" (in production since 1983) starting in 2015 and is not interchangeable with pre-2015 8.8\" parts\u003c\/li\u003e \u003cli\u003eThis master overhaul kit's bearings, seals, and small parts are shared across both the Mustang IRS and F-150 solid-axle configurations, but ring \u0026amp; pinion gear sets are NOT interchangeable between the two - always order gears specific to your configuration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFeatures\u003c\/h4\u003e\u003cul\u003e \u003cli\u003eComplete master overhaul kit for the 2015+ Ford \"Super 8.8\" differential\u003c\/li\u003e \u003cli\u003eBuilt with high-quality Timken or Koyo bearings and races\u003c\/li\u003e \u003cli\u003eIncludes a complete pinion shim kit for accurate gear setup\u003c\/li\u003e \u003cli\u003eIncludes thread locking compound and marking compound for a verifiable, correctly-set install\u003c\/li\u003e \u003cli\u003eBundles all major rebuild consumables into one kit\u003c\/li\u003e \u003cli\u003eManufactured by USA Standard Gear\u003c\/li\u003e \u003cli\u003eUses the beefier pinion bearing design carried over from the Ford 9.75\" differential\u003c\/li\u003e \u003cli\u003eSuited for standard rebuilds, gear ratio changes, and locker\/posi installations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e \u003cli\u003eDifferential: Ford \"Super 8.8\" (2015 \u0026amp; up)\u003c\/li\u003e \u003cli\u003eCover bolts: 12 (vs. 10 on the earlier pre-2015 8.8\")\u003c\/li\u003e \u003cli\u003eAxle spline count: 34\u003c\/li\u003e \u003cli\u003eBearing brand: Timken or Koyo\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eIncluded Components\u003c\/h4\u003e\u003cul\u003e \u003cli\u003e1x Carrier bearing \u0026amp; race set\u003c\/li\u003e \u003cli\u003e1x Pinion bearing \u0026amp; race set\u003c\/li\u003e \u003cli\u003e1x Pinion seal\u003c\/li\u003e \u003cli\u003e1x Complete pinion shim kit\u003c\/li\u003e \u003cli\u003e1x Ring gear bolt set\u003c\/li\u003e \u003cli\u003e1x Pinion nut\u003c\/li\u003e \u003cli\u003e1x Crush sleeve\u003c\/li\u003e \u003cli\u003e1x Thread locking compound\u003c\/li\u003e \u003cli\u003e1x Marking compound with brush\u003c\/li\u003e \u003cli\u003e1x Gasket\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Description\u003c\/h4\u003e\u003cp\u003eThe Yukon ZK F8.8-D is a complete master overhaul kit for Ford's \"Super 8.8\" differential, introduced in 2015 to replace the long-running Ford 8.8\" that had been in production since 1983. The Super 8.8 comes in two forms: an independent rear suspension (IRS) version used in the S550 Mustang, and a solid axle version used in the F-150. Both share a common bearing design - including beefier pinion bearings, crush sleeve, seal, and pinion nut carried over from Ford's 9.75\" differential - which is why a single master overhaul kit covers both configurations.\u003c\/p\u003e\u003cp\u003eThis kit bundles everything needed for a full rebuild into one part number: carrier and pinion bearings and races, pinion seal, a complete shim kit, crush sleeve, ring gear bolts, and the thread locker, marking compound, and gasket needed for proper reassembly. It's designed to restore correct bearing preload and gear backlash after wear, a gear ratio change, or a locker\/posi installation on either the Mustang IRS or F-150 solid-axle Super 8.8.\u003c\/p\u003e\u003cp\u003eBefore ordering, confirm your F-150 actually has the Super 8.8 rather than the 9.75\" differential, since Ford doesn't make this easy to verify from the VIN alone. This is a rebuild-support kit rather than a ring-and-pinion set, so it pairs with either your existing gears or a new gear set matched specifically to your IRS or solid-axle configuration. Installation involves full disassembly of the differential and proper backlash\/preload setup, so it's best suited for an experienced DIY installer or a differential shop.\u003c\/p\u003e\u003cmeta name=\"description\" content=\"Upgrade your Ford Mustang or F-150 with the Yukon ZK F8.8-D overhaul kit. Complete rebuild solution for the Super 8.8 differential.\"\u003e\u003cmeta name=\"keywords\" content=\"Yukon overhaul kit, Ford Super 8.8 differential, 2015-2026 Mustang parts, F-150 differential kit, complete rebuild kit, high-quality automotive bearings, pinion shim kit, differential installation components, USA Standard Gear products, heavy-duty axle parts\"\u003e","brand":"Yukon Gear \u0026 Axle","offers":[{"title":"Default Title","offer_id":53864411365695,"sku":"YUKZK F8.8-D","price":352.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0832\/7308\/9343\/files\/1f6b84cd2eaadd2c1f275513f0fa6e89L.jpg?v=1782577433","url":"https:\/\/wcaperformance.com\/products\/yukon-gear-master-overhaul-kit-15-ford-mustang-f150-8-8in-rear","provider":"WCA Performance","version":"1.0","type":"link"}