Richmond 5.57 12 Bolt GM Pass RIC79-0031-1

Ring and Pinion - Pro Gear - 5.57 Ratio - 30 Spline Pinion - 4 Series - 8.875 in - GM 12-Bolt - Kit

Drivetrain, Differentials and Rear-End Components, Ring and Pinion Gears by RICHMOND

Vehicle Fitments:

Year	Make	Model	Submodel
1971 - 1972	Buick	Centurion	Base
1968 - 1972	Buick	Electra	225 Custom, 225
1965 - 1967	Buick	Electra	Base
1966 - 1967	Buick	Electra	Custom
1971 - 1972	Buick	Estate Wagon	Base
1965 - 1967	Buick	Gran Sport	Base
1970 - 1972	Buick	GS	Base
1968 - 1969	Buick	GS 350	Base
1968 - 1969	Buick	GS 400	Base
1970 - 1972	Buick	GS 455	Base
1970	Buick	GS 455	GSX
1971 - 1972	Buick	LeSabre	Base, Custom
1972	Buick	Skylark	350
1971 - 1972	Buick	Skylark	Base, Custom
1965 - 1969	Buick	Special	Base
1965 - 1966	Buick	Special	Deluxe
1964 - 1972	Buick	Sportwagon	Base
1966 - 1969	Buick	Sportwagon	Custom
1965 - 1970	Chevrolet	Bel Air	Base
1967 - 1972	Chevrolet	Camaro	Base, SS, RS, Z28
1966 - 1972	Chevrolet	Caprice	Base
1967 - 1968	Chevrolet	Chevelle	300
1967 - 1969	Chevrolet	Chevelle	300 Deluxe
1967 - 1972	Chevrolet	Chevelle	Concours
1965 - 1973	Chevrolet	Chevelle	Deluxe
1969 - 1972	Chevrolet	Chevelle	Greenbrier, Concours Estate
1968 - 1972	Chevrolet	Chevelle	Malibu, Nomad
1964 - 1972	Chevrolet	Chevelle	SS, Base
1965 - 1967	Chevrolet	Chevy II	Base, Nova SS
1965 - 1968	Chevrolet	Chevy II	Nova
1965 - 1972	Chevrolet	El Camino	Base
1968 - 1972	Chevrolet	El Camino	SS, Custom
1965 - 1972	Chevrolet	Impala	Base
1965 - 1967	Chevrolet	Impala	SS
1965 - 1967	Chevrolet	Malibu	Base
1970 - 1972	Chevrolet	Monte Carlo	Base
1969 - 1972	Chevrolet	Nova	Base
1971 - 1972	GMC	Sprint	Base
1972	GMC	Sprint	Custom
1971	Oldsmobile	442	Base
1965 - 1972	Oldsmobile	98	Base
1965 - 1967	Oldsmobile	98	Holiday
1971 - 1972	Oldsmobile	Cutlass	Base, S
1972	Oldsmobile	Cutlass	Cruiser
1971 - 1972	Oldsmobile	Cutlass Supreme	Base
1967 - 1968	Oldsmobile	Delmont 88	Base
1967	Oldsmobile	Delmont 88	Holiday
1965 - 1972	Oldsmobile	Delta 88	Base
1967 - 1971	Oldsmobile	Delta 88	Custom
1965 - 1967	Oldsmobile	Delta 88	Holiday
1969 - 1972	Oldsmobile	Delta 88	Royale
1965 - 1972	Oldsmobile	F85	Base
1965 - 1966	Oldsmobile	F85	Deluxe
1966	Oldsmobile	F85	Holiday
1966	Oldsmobile	Jetstar 88	Holiday, Base
1965	Oldsmobile	Jetstar I	Base
1965 - 1966	Oldsmobile	Starfire	Base
1967 - 1972	Oldsmobile	Vista Cruiser	Base
1967	Oldsmobile	Vista Cruiser	Custom
1968 - 1971	Pontiac	Acadian	Base
1965 - 1972	Pontiac	Bonneville	Base
1965 - 1970	Pontiac	Bonneville	Safari
1965 - 1967	Pontiac	Catalina	2+2
1965 - 1972	Pontiac	Catalina	Base, Safari
1971 - 1972	Pontiac	Catalina	Brougham
1965 - 1970	Pontiac	Catalina	Ventura
1967 - 1970	Pontiac	Executive	Safari, Base
1967	Pontiac	Firebird	326
1968 - 1969	Pontiac	Firebird	350
1969	Pontiac	Firebird	350 HO
1967 - 1972	Pontiac	Firebird	Base
1970 - 1972	Pontiac	Firebird	Esprit, Formula
1967 - 1968	Pontiac	Firebird	HO
1967 - 1969	Pontiac	Firebird	Sprint, 400
1969 - 1972	Pontiac	Firebird	Trans Am
1970 - 1972	Pontiac	Grand Prix	Base
1971 - 1972	Pontiac	Grand Safari	Base
1971 - 1972	Pontiac	Grandville	Base
1965 - 1972	Pontiac	GTO	Base
1970 - 1971	Pontiac	GTO	The Judge
1965 - 1972	Pontiac	LeMans	Base
1972	Pontiac	LeMans	Luxury
1969 - 1970	Pontiac	LeMans	Safari
1970 - 1972	Pontiac	LeMans	Sport
1971	Pontiac	LeMans	T37
1955 - 1956	Pontiac	Star Chief	Base, Custom
1970	Pontiac	Tempest	GT, Base