{"product_id":"eaton-k-gm12cr-gm-8-875-inch-rear-master-differential-installation-kit","title":"Eaton K-GM12CR GM 8.875-Inch Rear Master Differential Installation Kit","description":"Eaton master installation kits make upgrading your differential easier by providing all the components needed to properly install your Eaton differential or replace your ring and pinion, in one box. Premium bearings and components ensure long life and quiet operation.\nEaton Master Differential Install Kit; Rear; GM 8.875 in.; 12 Cover Bolts; 12 Ring Gear Bolts; 30\/33 Axle Spline; 30 Pinion Spline; Standard Rotation;\n\u003cul\u003e\n  \u003cli\u003eIncludes all necessary components to complete installation\u003c\/li\u003e\n  \u003cli\u003eReference Eatons application guide to confirm part fitment\u003c\/li\u003e\n  \u003cli\u003eFor Eaton: 187C197A; 187S196A; 913A555; 914A576; 914A575\u003c\/li\u003e\n  \u003cli\u003eEaton only uses premium bearings\u003c\/li\u003e\n  \u003cli\u003eFor Eaton: 19554-010; 19555-010\u003c\/li\u003e\n  \u003cli\u003eFits 1964 - 1972 applications\u003c\/li\u003e\n  \u003cli\u003eRear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Eaton K-GM12CR Master Differential Installation Kit provides the components needed to install a compatible Eaton differential or replace the ring and pinion in select GM rear axles. Designed for GM 8.875-inch applications, this kit supports differentials with 30- or 33-spline axles and a 30-spline pinion using standard rotation. Supplying the required installation components in one package helps simplify the repair process and supports proper differential setup.\u003c\/p\u003e\n\u003cp\u003eEaton uses premium bearings and quality components to promote long service life, dependable operation, and quiet performance when installed according to the manufacturer's procedures. The kit is configured for rear applications with 12 cover bolts and 12 ring gear bolts. Always consult the Eaton application guide and verify axle, differential, spline, bolt, and rotation specifications before installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVehicle Fitment:\u003c\/strong\u003e Fits select 1964–1972 applications, including 1970–1972 Chevrolet Camaro, 1969 Chevrolet Nova, and 1971–1972 Pontiac Firebird and GTO models.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Eaton Applications:\u003c\/strong\u003e For Eaton 187C197A, 187S196A, 913A555, 914A576, 914A575, 19554-010, and 19555-010 applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation Guidance:\u003c\/strong\u003e Confirm fitment and installation requirements using the Eaton application guide before beginning work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBuilt for professional drivetrain service and restoration applications, the Eaton K-GM12CR helps provide a complete foundation for installing a compatible Eaton differential or setting up replacement ring-and-pinion components.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComplete installation package: Includes the necessary components to install a compatible Eaton differential or replace the ring and pinion.\u003c\/li\u003e\n\u003cli\u003ePremium bearing construction: Eaton premium bearings support long service life and quiet differential operation.\u003c\/li\u003e\n\u003cli\u003eGM 8.875-inch rear axle compatibility: Designed for select rear applications using the specified GM axle configuration.\u003c\/li\u003e\n\u003cli\u003eBroad application coverage: Supports 30- and 33-spline axle configurations with a 30-spline pinion and standard rotation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n1964 Buick Wildcat Base\u003cbr\u003e\n1964 Chevrolet Bel Air Base\u003cbr\u003e\n1964 Chevrolet Biscayne Base\u003cbr\u003e\n1964 Chevrolet Chevelle Base\u003cbr\u003e\n1964 Chevrolet Chevelle SS\u003cbr\u003e\n1964 Chevrolet Chevy II Base\u003cbr\u003e\n1964 Chevrolet Chevy II Nova\u003cbr\u003e\n1964 Chevrolet Chevy II Nova SS\u003cbr\u003e\n1964 Chevrolet Impala Base\u003cbr\u003e\n1964 Chevrolet Impala SS\u003cbr\u003e\n1964 Chevrolet Malibu Base\u003cbr\u003e\n1965 Buick Wildcat Base\u003cbr\u003e\n1965 Buick Wildcat Custom\u003cbr\u003e\n1965 Buick Wildcat Deluxe\u003cbr\u003e\n1965 Chevrolet Bel Air Base\u003cbr\u003e\n1965 Chevrolet Biscayne Base\u003cbr\u003e\n1965 Chevrolet Chevelle Base\u003cbr\u003e\n1965 Chevrolet Chevelle Deluxe\u003cbr\u003e\n1965 Chevrolet Chevelle SS\u003cbr\u003e\n1965 Chevrolet Chevy II Base\u003cbr\u003e\n1965 Chevrolet Chevy II Nova\u003cbr\u003e\n1965 Chevrolet Chevy II Nova SS\u003cbr\u003e\n1965 Chevrolet El Camino Base\u003cbr\u003e\n1965 Chevrolet Impala Base\u003cbr\u003e\n1965 Chevrolet Impala SS\u003cbr\u003e\n1965 Chevrolet Malibu Base\u003cbr\u003e\n1966 Buick Wildcat Base\u003cbr\u003e\n1966 Buick Wildcat Custom\u003cbr\u003e\n1966 Buick Wildcat Gran Sport\u003cbr\u003e\n1966 Chevrolet Bel Air Base\u003cbr\u003e\n1966 Chevrolet Biscayne Base\u003cbr\u003e\n1966 Chevrolet Caprice Base\u003cbr\u003e\n1966 Chevrolet Chevelle Base\u003cbr\u003e\n1966 Chevrolet Chevelle Deluxe\u003cbr\u003e\n1966 Chevrolet Chevelle SS\u003cbr\u003e\n1966 Chevrolet Chevy II Base\u003cbr\u003e\n1966 Chevrolet Chevy II Nova\u003cbr\u003e\n1966 Chevrolet Chevy II Nova SS\u003cbr\u003e\n1966 Chevrolet El Camino Base\u003cbr\u003e\n1966 Chevrolet Impala Base\u003cbr\u003e\n1966 Chevrolet Impala SS\u003cbr\u003e\n1966 Chevrolet Malibu Base\u003cbr\u003e\n1967 Buick Wildcat Base\u003cbr\u003e\n1967 Buick Wildcat Custom\u003cbr\u003e\n1967 Chevrolet Bel Air Base\u003cbr\u003e\n1967 Chevrolet Biscayne Base\u003cbr\u003e\n1967 Chevrolet Camaro Base\u003cbr\u003e\n1967 Chevrolet Camaro RS\u003cbr\u003e\n1967 Chevrolet Camaro SS\u003cbr\u003e\n1967 Chevrolet Camaro Z28\u003cbr\u003e\n1967 Chevrolet Caprice Base\u003cbr\u003e\n1967 Chevrolet Chevelle 300\u003cbr\u003e\n1967 Chevrolet Chevelle 300 Deluxe\u003cbr\u003e\n1967 Chevrolet Chevelle Base\u003cbr\u003e\n1967 Chevrolet Chevelle Concours\u003cbr\u003e\n1967 Chevrolet Chevelle Deluxe\u003cbr\u003e\n1967 Chevrolet Chevelle SS\u003cbr\u003e\n1967 Chevrolet Chevy II Base\u003cbr\u003e\n1967 Chevrolet Chevy II Nova\u003cbr\u003e\n1967 Chevrolet Chevy II Nova SS\u003cbr\u003e\n1967 Chevrolet El Camino Base\u003cbr\u003e\n1967 Chevrolet Impala Base\u003cbr\u003e\n1967 Chevrolet Impala SS\u003cbr\u003e\n1967 Chevrolet Malibu Base\u003cbr\u003e\n1968 Buick Wildcat Base\u003cbr\u003e\n1968 Buick Wildcat Custom\u003cbr\u003e\n1968 Chevrolet Bel Air Base\u003cbr\u003e\n1968 Chevrolet Biscayne Base\u003cbr\u003e\n1968 Chevrolet Camaro Base\u003cbr\u003e\n1968 Chevrolet Camaro RS\u003cbr\u003e\n1968 Chevrolet Camaro SS\u003cbr\u003e\n1968 Chevrolet Camaro Z28\u003cbr\u003e\n1968 Chevrolet Caprice Base\u003cbr\u003e\n1968 Chevrolet Chevelle 300\u003cbr\u003e\n1968 Chevrolet Chevelle 300 Deluxe\u003cbr\u003e\n1968 Chevrolet Chevelle Base\u003cbr\u003e\n1968 Chevrolet Chevelle Concours\u003cbr\u003e\n1968 Chevrolet Chevelle Malibu\u003cbr\u003e\n1968 Chevrolet Chevelle Nomad\u003cbr\u003e\n1968 Chevrolet Chevelle SS\u003cbr\u003e\n1968 Chevrolet Chevy II Nova\u003cbr\u003e\n1968 Chevrolet El Camino Base\u003cbr\u003e\n1968 Chevrolet El Camino Custom\u003cbr\u003e\n1968 Chevrolet El Camino SS\u003cbr\u003e\n1968 Chevrolet Impala Base\u003cbr\u003e\n1969 Buick Wildcat Base\u003cbr\u003e\n1969 Buick Wildcat Custom\u003cbr\u003e\n1969 Chevrolet Bel Air Base\u003cbr\u003e\n1969 Chevrolet Biscayne Base\u003cbr\u003e\n1969 Chevrolet Camaro Base\u003cbr\u003e\n1969 Chevrolet Camaro RS\u003cbr\u003e\n1969 Chevrolet Camaro SS\u003cbr\u003e\n1969 Chevrolet Camaro Z28\u003cbr\u003e\n1969 Chevrolet Caprice Base\u003cbr\u003e\n1969 Chevrolet Chevelle 300 Deluxe\u003cbr\u003e\n1969 Chevrolet Chevelle Concours\u003cbr\u003e\n1969 Chevrolet Chevelle Concours Estate\u003cbr\u003e\n1969 Chevrolet Chevelle Greenbrier\u003cbr\u003e\n1969 Chevrolet Chevelle Malibu\u003cbr\u003e\n1969 Chevrolet Chevelle Nomad\u003cbr\u003e\n1969 Chevrolet Chevelle SS\u003cbr\u003e\n1969 Chevrolet El Camino Base\u003cbr\u003e\n1969 Chevrolet El Camino Custom\u003cbr\u003e\n1969 Chevrolet El Camino SS\u003cbr\u003e\n1969 Chevrolet Impala Base\u003cbr\u003e\n1969 Chevrolet Nova Base\u003cbr\u003e\n1969 Pontiac Firebird Trans Am\u003cbr\u003e\n1970 Buick Wildcat Custom\u003cbr\u003e\n1970 Chevrolet Bel Air Base\u003cbr\u003e\n1970 Chevrolet Biscayne Base\u003cbr\u003e\n1970 Chevrolet Camaro Base\u003cbr\u003e\n1970 Chevrolet Camaro RS\u003cbr\u003e\n1970 Chevrolet Camaro SS\u003cbr\u003e\n1970 Chevrolet Camaro Z28\u003cbr\u003e\n1970 Chevrolet Caprice Base\u003cbr\u003e\n1970 Chevrolet Chevelle Base\u003cbr\u003e\n1970 Chevrolet Chevelle Concours\u003cbr\u003e\n1970 Chevrolet Chevelle Concours Estate\u003cbr\u003e\n1970 Chevrolet Chevelle Greenbrier\u003cbr\u003e\n1970 Chevrolet Chevelle Malibu\u003cbr\u003e\n1970 Chevrolet Chevelle Nomad\u003cbr\u003e\n1970 Chevrolet Chevelle SS\u003cbr\u003e\n1970 Chevrolet El Camino Base\u003cbr\u003e\n1970 Chevrolet El Camino Custom\u003cbr\u003e\n1970 Chevrolet El Camino SS\u003cbr\u003e\n1970 Chevrolet Impala Base\u003cbr\u003e\n1970 Chevrolet Monte Carlo Base\u003cbr\u003e\n1970 Chevrolet Nova Base\u003cbr\u003e\n1970 Pontiac Firebird Trans Am\u003cbr\u003e\n1970 Pontiac GTO Base\u003cbr\u003e\n1970 Pontiac GTO The Judge\u003cbr\u003e\n1971 Chevrolet Bel Air Base\u003cbr\u003e\n1971 Chevrolet Biscayne Base\u003cbr\u003e\n1971 Chevrolet Camaro Base\u003cbr\u003e\n1971 Chevrolet Camaro RS\u003cbr\u003e\n1971 Chevrolet Camaro SS\u003cbr\u003e\n1971 Chevrolet Camaro Z28\u003cbr\u003e\n1971 Chevrolet Chevelle Base\u003cbr\u003e\n1971 Chevrolet Chevelle Concours\u003cbr\u003e\n1971 Chevrolet Chevelle Concours Estate\u003cbr\u003e\n1971 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