{"product_id":"yukon-gear-master-overhaul-kit-for-63-79-gm-ci-corvette-diff","title":"Yukon Gear Master Overhaul Kit YK GMVET-CI | Corvette IRS Diff","description":"\u003ch4\u003eYukon YK GMVET-CI GM Corvette Independent Rear Differential Complete Rebuild Kit\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003eYK GMVET-CI\u003c\/strong\u003e from Yukon Gear and Axle is a purpose-built master overhaul kit for the GM Corvette independent rear differential (Ci unit) used in 1963 through 1979 Chevrolet Corvettes. This unique independent rear suspension differential requires specific components, and the \u003cstrong\u003eYK GMVET-CI\u003c\/strong\u003e delivers every precision part needed for a thorough complete rebuild kit. Timken bearings, a full shim set, all seals, and complete hardware are included. Whether you are restoring a C2, C3, or bridging to the later C3 models, the \u003cstrong\u003eYK GMVET-CI\u003c\/strong\u003e is the definitive solution for your Corvette independent rear differential rebuild.\u003c\/p\u003e\n\n\u003ch4\u003eFeatures and Benefits\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSpecifically engineered for the GM Corvette independent rear differential (Ci) used in 1963-1979 Chevrolet Corvettes\u003c\/li\u003e\n  \u003cli\u003eTimken carrier bearings and races for precision load handling and extended service life\u003c\/li\u003e\n  \u003cli\u003eTimken pinion bearings and races for accurate pinion depth and smooth, quiet operation\u003c\/li\u003e\n  \u003cli\u003eComplete pinion depth shim set for correct gear mesh and contact pattern\u003c\/li\u003e\n  \u003cli\u003eComplete carrier shim set for proper backlash and bearing preload\u003c\/li\u003e\n  \u003cli\u003ePinion seal and output seals to prevent fluid leakage\u003c\/li\u003e\n  \u003cli\u003eRing gear bolts, pinion nut, and hardware for a complete refresh\u003c\/li\u003e\n  \u003cli\u003eGear marking compound with brush and thread-locking compound included\u003c\/li\u003e\n  \u003cli\u003eCover gasket included for a leak-free seal\u003c\/li\u003e\n  \u003cli\u003eCompatible with OEM and aftermarket ring and pinion gear sets\u003c\/li\u003e\n  \u003cli\u003eAll components quality-verified to Yukon Gear standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eVehicle Fitment\u003c\/h4\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eTrim\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1963\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette\u003c\/td\u003e\n\u003ctd\u003eSting Ray\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1964\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette\u003c\/td\u003e\n\u003ctd\u003eSting Ray\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1965\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette\u003c\/td\u003e\n\u003ctd\u003eSting Ray\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1966\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette\u003c\/td\u003e\n\u003ctd\u003eSting Ray\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1967\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette\u003c\/td\u003e\n\u003ctd\u003eSting Ray\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1968\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette\u003c\/td\u003e\n\u003ctd\u003eStingray\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1969\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette\u003c\/td\u003e\n\u003ctd\u003eStingray\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1970\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette\u003c\/td\u003e\n\u003ctd\u003eStingray\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1971\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette\u003c\/td\u003e\n\u003ctd\u003eStingray\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1972\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette\u003c\/td\u003e\n\u003ctd\u003eStingray\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1973\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette\u003c\/td\u003e\n\u003ctd\u003eStingray\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1974\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette\u003c\/td\u003e\n\u003ctd\u003eStingray\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1975\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette\u003c\/td\u003e\n\u003ctd\u003eStingray\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1976\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette\u003c\/td\u003e\n\u003ctd\u003eStingray\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1977\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette\u003c\/td\u003e\n\u003ctd\u003eStingray\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1978\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette\u003c\/td\u003e\n\u003ctd\u003eIndianapolis 500 Pace Car\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1978\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette\u003c\/td\u003e\n\u003ctd\u003eSilver Anniversary Edition\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1979\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette\u003c\/td\u003e\n\u003ctd\u003eStingray\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eYK GMVET-CI\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e883584140580\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDifferential\u003c\/td\u003e\n\u003ctd\u003eGM Corvette Independent Rear (Ci)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRing Gear Size\u003c\/td\u003e\n\u003ctd\u003e3.54 in offset (Corvette IRS unit)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBearings Included\u003c\/td\u003e\n\u003ctd\u003eYes (Timken carrier and pinion bearings with races)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSeals Included\u003c\/td\u003e\n\u003ctd\u003eYes (pinion seal and output seals)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eShim Set\u003c\/td\u003e\n\u003ctd\u003eYes (pinion depth and carrier shims)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eYukon Gear limited warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhat Is Included\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eTimken front carrier bearing and race\u003c\/li\u003e\n  \u003cli\u003eTimken rear carrier bearing and race\u003c\/li\u003e\n  \u003cli\u003eTimken inner pinion bearing and race\u003c\/li\u003e\n  \u003cli\u003eTimken outer pinion bearing and race\u003c\/li\u003e\n  \u003cli\u003ePinion seal\u003c\/li\u003e\n  \u003cli\u003eOutput shaft seals\u003c\/li\u003e\n  \u003cli\u003eComplete pinion depth shim set\u003c\/li\u003e\n  \u003cli\u003eComplete carrier shim set\u003c\/li\u003e\n  \u003cli\u003eRing gear bolt set\u003c\/li\u003e\n  \u003cli\u003ePinion nut\u003c\/li\u003e\n  \u003cli\u003eThread-locking compound\u003c\/li\u003e\n  \u003cli\u003eGear marking compound with brush\u003c\/li\u003e\n  \u003cli\u003eCover gasket\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the GM Corvette Ci independent rear differential?\u003c\/strong\u003e\u003cbr\u003eThe Ci independent rear differential is the cradle-mounted unit used in 1963 through 1979 Chevrolet Corvettes. It features an independent half-shaft setup unique to the Corvette platform. The \u003cstrong\u003eYK GMVET-CI\u003c\/strong\u003e is specifically designed to rebuild this unit with all required precision components.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes the YK GMVET-CI fit all C2 and C3 Corvette years?\u003c\/strong\u003e\u003cbr\u003eThe \u003cstrong\u003eYK GMVET-CI\u003c\/strong\u003e covers 1963 through 1979 Corvettes, encompassing the entire C2 generation (1963-1967) and most C3 years (1968-1979). Always verify the specific differential casting in your vehicle to confirm fitment.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes the YK GMVET-CI include Timken bearings?\u003c\/strong\u003e\u003cbr\u003eYes. The \u003cstrong\u003eYK GMVET-CI\u003c\/strong\u003e includes Timken carrier bearings with races and Timken pinion bearings with races for precise, durable performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I use this kit with a different gear ratio?\u003c\/strong\u003e\u003cbr\u003eYes. The complete shim set in the \u003cstrong\u003eYK GMVET-CI\u003c\/strong\u003e allows correct setup for both stock replacement and aftermarket ring and pinion gear ratios.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs a cover gasket included?\u003c\/strong\u003e\u003cbr\u003eYes. A cover gasket is included in the \u003cstrong\u003eYK GMVET-CI\u003c\/strong\u003e kit for a complete, leak-free reassembly.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWill installing the YK GMVET-CI void my warranty under the Magnuson-Moss Warranty Act?\u003c\/strong\u003e\u003cbr\u003eUnder the Magnuson-Moss Warranty Act, a vehicle manufacturer cannot void your warranty simply because an aftermarket component was installed. The warranty is only voided if the manufacturer proves the part caused the failure. Consult your warranty documentation and a qualified professional for guidance specific to your situation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat warranty does Yukon Gear offer on the YK GMVET-CI?\u003c\/strong\u003e\u003cbr\u003eYukon Gear and Axle provides a limited warranty covering defects in materials and workmanship. Contact Yukon Gear directly for full warranty terms and conditions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs professional installation recommended for the YK GMVET-CI?\u003c\/strong\u003e\u003cbr\u003eYes. The Corvette independent rear differential requires specialized knowledge and precision measurement. A qualified drivetrain technician familiar with independent rear suspension differentials is strongly recommended.\u003c\/p\u003e\n\n\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\n\u003col\u003e\n  \u003cli\u003eRaise and support the vehicle safely on jack stands. Drain differential fluid from the Corvette IRS cradle unit.\u003c\/li\u003e\n  \u003cli\u003eRemove the half-shafts and any ancillary components necessary to access the differential.\u003c\/li\u003e\n  \u003cli\u003eRemove the differential cover and clean all mating surfaces.\u003c\/li\u003e\n  \u003cli\u003eMark bearing caps and housing for correct reinstallation orientation before disassembly.\u003c\/li\u003e\n  \u003cli\u003eRemove carrier bearing caps and extract the differential carrier assembly.\u003c\/li\u003e\n  \u003cli\u003ePress old carrier bearings off the carrier and discard with races.\u003c\/li\u003e\n  \u003cli\u003eRemove the pinion nut and companion yoke, then drive out the pinion shaft.\u003c\/li\u003e\n  \u003cli\u003ePress out old pinion bearings and remove the pinion seal from the housing.\u003c\/li\u003e\n  \u003cli\u003eClean all bearing bores, threads, and housing surfaces thoroughly.\u003c\/li\u003e\n  \u003cli\u003ePress new Timken pinion bearing races into the housing using appropriate installation drivers.\u003c\/li\u003e\n  \u003cli\u003eDetermine the correct pinion shim based on pinion depth measurement. Install the new inner pinion bearing and shim on the pinion shaft.\u003c\/li\u003e\n  \u003cli\u003eInstall new outer pinion bearing. Install new pinion seal. Thread on pinion nut and torque to specification while monitoring rotating torque.\u003c\/li\u003e\n  \u003cli\u003ePress new Timken carrier bearings onto the carrier. Install carrier assembly with correct carrier shims to achieve specified backlash per ring and pinion manufacturer's instructions.\u003c\/li\u003e\n  \u003cli\u003eApply gear marking compound to the ring gear and verify gear contact pattern. Adjust shims as required.\u003c\/li\u003e\n  \u003cli\u003eTorque bearing caps to specification. Install new cover gasket and cover, fill with the correct differential fluid, reinstall half-shafts, and lower the vehicle.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cstrong\u003eProposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to \u003ca href=\"https:\/\/www.p65warnings.ca.gov\"\u003ewww.p65warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e","brand":"Yukon Gear \u0026 Axle","offers":[{"title":"Default Title","offer_id":40481889091663,"sku":"YUKYK GMVET-CI","price":392.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/yukon-gear-master-overhaul-kit-for-63-79-gm-ci-corvette-diff-differential-overhaul-kits-yukon-gear-axle-2.jpg?v=1702073522","url":"https:\/\/www.blackopsautoworks.com\/products\/yukon-gear-master-overhaul-kit-for-63-79-gm-ci-corvette-diff","provider":"Black Ops Auto Works","version":"1.0","type":"link"}