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Moroso Part#: 23770

Moroso Oil Filter Bypass Plates Adapter - Oil Filter Bypass - Bolt-On - Aluminum - Natural - 1 - 2 in. NPT Inlet - Outlet - Kit

Brand: Moroso

Mfr Part #: 23770

This bypass plate only works on Mark IV big block engines.

This aluminum bypass plate replaces the engine-mounted oil filter in wet sump oiling systems and directs the oil to a remote oil filter or oil cooler. Its drilled and tapped for 1/2 in. NPT inlet and outlet fittings and includes all mounting hardware gaskets and an O-ring.

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Vehicle Years
Chevrolet Bel Air
1956 - 1975
Chevrolet Bel Air Nomad
1956 - 1957
Chevrolet Corvette
1956 - 1974
1977 - 1982
1984 - 1990
Chevrolet One-Fifty Series
1956 - 1957
Chevrolet Truck
1956 - 1960
Chevrolet Two-Ten Series
1956 - 1957
Chevrolet Biscayne
1958 - 1972
Chevrolet Del Ray
1958
Chevrolet El Camino
1959 - 1960
1964 - 1987
Chevrolet Impala
1959 - 1985
Chevrolet Biscayne Fleetmaster
1960
Chevrolet C10 Pickup
1961 - 1974
Chevrolet C20 Pickup
1961 - 1974
Chevrolet C30 Pickup
1961 - 1974
Chevrolet K10 Pickup
1961 - 1974
Chevrolet K20 Pickup
1961 - 1974
Chevrolet P20 Series
1961 - 1962
1964 - 1967
Chevrolet P30 Series
1961 - 1962
1964 - 1967
Chevrolet Suburban
1961 - 1967
1967
Chevrolet P10 Series
1962
Chevrolet Chevelle
1964 - 1968
1970 - 1972
Chevrolet Impala SS
1964 - 1967
Chevrolet Malibu
1964 - 1967
1973 - 1981
Chevrolet Chevelle Deluxe
1965 - 1967
Chevrolet Caprice
1966 - 1972
1986 - 1992
Chevrolet Camaro
1967 - 1980
1988
Chevrolet Chevelle SS
1967
Chevrolet Chevelle Concours
1967
GMC C15/C1500 Pickup
1967 - 1974
GMC C25/C2500 Pickup
1967 - 1974
GMC C35/C3500 Pickup
1967 - 1974
GMC G15/G1500 Van
1967
1970 - 1971
GMC G25/G2500 Van
1967
1970 - 1972
GMC G35/G3500 Van
1967
1971
1974
GMC K15/K1500 Pickup
1967 - 1974
GMC K25/K2500 Pickup
1967 - 1974
GMC K35/K3500 Pickup
1967 - 1974
GMC P15/P1500 Van
1967
GMC P25/P2500 Van
1967 - 1974
GMC P35/P3500 Van
1967 - 1974
Chevrolet C10 Suburban
1968 - 1974
Chevrolet C20 Suburban
1968 - 1974
Chevrolet G20 Van
1968 - 1974
Chevrolet K10 Suburban
1968 - 1974
Chevrolet K20 Suburban
1968 - 1974
Chevrolet K30 Pickup
1968 - 1974
Chevrolet P20 Van
1968 - 1974
Chevrolet P30 Van
1968 - 1974
GMC C15/C1500 Suburban
1968 - 1974
GMC C25/C2500 Suburban
1968 - 1974
GMC K15/K1500 Suburban
1968 - 1974
GMC K25/K2500 Suburban
1968 - 1974
Chevrolet Blazer
1969 - 1974
1994
Chevrolet Brookwood
1969 - 1972
Chevrolet Camaro SS
1969
Chevrolet G10 Van
1969 - 1974
Chevrolet Kingswood
1969 - 1972
Chevrolet Townsman
1969 - 1972
Chevrolet Monte Carlo
1970 - 1974
1979
1981 - 1988
Chevrolet Nova
1970 - 1979
GMC Jimmy
1970 - 1988
Chevrolet G30 Van
1971 - 1974
GMC Sprint
1971 - 1977
Chevrolet Camaro LT
1973 - 1975
1978
1987
Chevrolet Laguna
1973 - 1975
Chevrolet Monte Carlo S
1973
1975 - 1977
Chevrolet Monte Carlo Landau
1973 - 1974
1976
1978 - 1981
Chevrolet P10 Van
1973
Chevrolet Laguna Type S-3
1974
Chevrolet C10 Scottsdale
1975 - 1980
1982
1984 - 1986
Chevrolet C10 Custom Deluxe
1975 - 1980
Chevrolet C10 Cheyenne
1975 - 1980
Chevrolet C10 Silverado
1975 - 1977
1979 - 1980
1982 - 1986
Chevrolet C10 Suburban Silverado
1975 - 1977
1979 - 1980
1982 - 1986
Chevrolet C10 Suburban Scottsdale
1975 - 1980
1982
1984 - 1986
Chevrolet C10 Suburban Custom Deluxe
1975 - 1980
Chevrolet C20 Silverado
1975 - 1977
1979 - 1980
1982 - 1986
Chevrolet C20 Scottsdale
1975 - 1980
1982
1984 - 1986
Chevrolet C20 Custom Deluxe
1975 - 1980
Chevrolet C20 Cheyenne
1975 - 1980
Chevrolet C20 Suburban Scottsdale
1975 - 1980
1982
1984 - 1986
Chevrolet C20 Suburban Custom Deluxe
1975 - 1980
Chevrolet C20 Suburban Silverado
1975 - 1977
1979 - 1980
1982 - 1986
Chevrolet C30 Silverado
1975 - 1977
1979 - 1980
1982 - 1986
Chevrolet C30 Scottsdale
1975 - 1980
1982
1984 - 1986
Chevrolet C30 Custom Deluxe
1975 - 1980
Chevrolet C30 Cheyenne
1975 - 1980
Chevrolet Camaro RS
1975
1989
Chevrolet Corvette Stingray
1975 - 1976
Chevrolet El Camino Classic
1975 - 1976
Chevrolet El Camino SS
1975 - 1987
Chevrolet G10 Chevy Van
1975 - 1994
Chevrolet G10 Beauville
1975 - 1994
Chevrolet G20 Chevy Van
1975 - 1995
Chevrolet G20 Beauville
1975 - 1995
Chevrolet G30 Hi-Cube
1975 - 1994
Chevrolet G30 Chevy Van
1975 - 1994
Chevrolet G30 Beauville
1975 - 1994
Chevrolet Impala Sport
1975 - 1976
1979 - 1980
Chevrolet Impala Custom
1975
Chevrolet K10 Scottsdale
1975 - 1980
1982
1984 - 1986
Chevrolet K10 Custom Deluxe
1975 - 1980
Chevrolet K10 Cheyenne
1975 - 1980
Chevrolet K10 Silverado
1975 - 1977
1979 - 1980
1982 - 1983
1985 - 1986
Chevrolet K10 Suburban Silverado
1975 - 1977
1979 - 1980
1982 - 1983
1985 - 1986
Chevrolet K10 Suburban Scottsdale
1975 - 1980
1982
1984 - 1986
Chevrolet K10 Suburban Custom Deluxe
1975 - 1980
Chevrolet K20 Cheyenne
1975 - 1980
Chevrolet K20 Silverado
1975 - 1977
1979 - 1980
1982 - 1983
1985 - 1986
Chevrolet K20 Scottsdale
1975 - 1980
1982
1984 - 1986
Chevrolet K20 Custom Deluxe
1975 - 1980
Chevrolet K20 Suburban Custom Deluxe
1975 - 1980
Chevrolet K20 Suburban Silverado
1975 - 1977
1979 - 1980
1982 - 1983
1985 - 1986
Chevrolet K20 Suburban Scottsdale
1975 - 1980
1982
1984 - 1986
Chevrolet K5 Blazer
1975 - 1976
Chevrolet K5 Blazer Silverado
1975
1980 - 1986
Chevrolet K5 Blazer Scottsdale
1975
1984
Chevrolet K5 Blazer Custom Deluxe
1975
1977 - 1980
Chevrolet K5 Blazer Cheyenne
1975 - 1980
Chevrolet Laguna S3
1975 - 1976
Chevrolet Monza S
1975
1978 - 1979
Chevrolet Monza 2+2
1975
Chevrolet Nova LN
1975
Chevrolet Nova Police
1975 - 1978
Chevrolet P10 Step-Van
1975
1977 - 1979
Chevrolet P10
1975
1977 - 1979
Chevrolet P20 Step-Van
1975 - 1985
1987 - 1989
Chevrolet P20
1975 - 1989
Chevrolet P30 Step-Van
1975 - 1985
1987 - 1990
Chevrolet P30
1975 - 1999
GMC C15 Sierra Grande
1975 - 1978
GMC C15 Sierra Classic
1975 - 1978
GMC C15 High Sierra
1975 - 1978
GMC C15
1975 - 1978
GMC C15 Suburban Sierra Grande
1975 - 1978
GMC C15 Suburban Sierra Classic
1975 - 1978
GMC C15 Suburban High Sierra
1975 - 1978
GMC C15 Suburban
1975 - 1978
GMC C25 High Sierra
1975 - 1978
GMC C25
1975 - 1978
GMC C25 Sierra Grande
1975 - 1978
GMC C25 Sierra Classic
1975 - 1978
GMC C25 Suburban Sierra Classic
1975 - 1978
GMC C25 Suburban High Sierra
1975 - 1978
GMC C25 Suburban
1975 - 1978
GMC C25 Suburban Sierra Grande
1975 - 1978
GMC C35 Sierra Grande
1975 - 1978
GMC C35 Sierra Classic
1975 - 1978
GMC C35 High Sierra
1975 - 1978
GMC C35
1975 - 1978
GMC G35 Magnavan
1975 - 1978
GMC Jimmy Sierra Grande
1975 - 1982
GMC Jimmy Sierra Classic
1975 - 1985
1987 - 1988
GMC Jimmy High Sierra
1975 - 1985
GMC K15
1975 - 1978
GMC K15 Sierra Grande
1975 - 1978
GMC K15 Sierra Classic
1975 - 1978
GMC K15 High Sierra
1975 - 1978
GMC K15 Suburban
1975 - 1978
GMC K15 Suburban Sierra Grande
1975 - 1978
GMC K15 Suburban Sierra Classic
1975 - 1978
GMC K15 Suburban High Sierra
1975 - 1978
GMC K25 Sierra Grande
1975 - 1978
GMC K25 Sierra Classic
1975 - 1978
GMC K25 High Sierra
1975 - 1978
GMC K25
1975 - 1978
GMC K25 Suburban Sierra Grande
1975 - 1978
GMC K25 Suburban Sierra Classic
1975 - 1978
GMC K25 Suburban High Sierra
1975 - 1978
GMC K25 Suburban
1975 - 1978
GMC P25 Value Van
1975 - 1978
GMC P25
1975 - 1978
GMC P35 Value Van
1975 - 1978
GMC P35
1975 - 1978
GMC Sprint SP
1975 - 1976
GMC Sprint High Sierra
1975
Chevrolet Camaro Rally Sport
1976 - 1980
Chevrolet Impala S
1976
Chevrolet Malibu Landau
1976
1979
Chevrolet Monza Towne Coupe
1976 - 1977
Chevrolet Monza
1976
1978 - 1979
Chevrolet Monza Towne Coupe Spyder
1976
Chevrolet Monza Towne Coupe Sport
1976 - 1977
Chevrolet Monza Towne Coupe Cabriolet
1976 - 1977
Chevrolet Nova SS
1976
GMC Sprint Sierra Madre Del Sur
1976
Pontiac Grand LeMans
1976 - 1981
Pontiac LeMans
1976 - 1981
Buick Century
1977
1980 - 1981
Buick Regal
1977 - 1980
1982 - 1987
Buick Regal SR
1977
Buick Skylark
1977 - 1979
Checker Marathon Deluxe
1977 - 1982
Checker Marathon
1977 - 1982
Chevrolet Camaro Z28
1977 - 1987
Chevrolet El Camino Conquista
1977 - 1978
1981 - 1986
Chevrolet Impala Landau
1977 - 1979
Chevrolet K30 Silverado
1977
1979 - 1980
1982 - 1983
1985 - 1986
Chevrolet K30 Scottsdale
1977 - 1980
1982
1984 - 1986
Chevrolet K30 Custom Deluxe
1977 - 1980
Chevrolet K30 Cheyenne
1977 - 1980
Chevrolet Malibu Sport
1977
1979 - 1980
Chevrolet Monza Mirage
1977
Chevrolet Nova Rally
1977 - 1979
GMC C15 Indy Hauler
1977
GMC K35
1977 - 1978
GMC K35 Sierra Grande
1977 - 1978
GMC K35 Sierra Classic
1977 - 1978
GMC K35 High Sierra
1977 - 1978
Oldsmobile Delta 88
1977
Oldsmobile Omega
1977 - 1979
Oldsmobile Omega SX
1977 - 1978
Oldsmobile Omega Deluxe
1977
Oldsmobile Starfire GT
1977 - 1979
Oldsmobile Starfire
1977 - 1979
Pontiac Firebird
1977 - 1992
Pontiac Phoenix
1977 - 1979
Pontiac Ventura
1977
Buick LeSabre
1978
Buick Skylark Sport
1978
Chevrolet Camaro LT Rally Sport
1978
Chevrolet Caprice Classic
1978
Chevrolet Caprice Classic Landau
1978
Chevrolet Caprice Classic Estate
1978
Chevrolet Corvette Silver Anniversary Edition
1978
Chevrolet Corvette Indianapolis 500 Pace Car
1978
1986
Chevrolet Monte Carlo Sport
1978
1980
Chevrolet Monza Sport
1978
GMC C15 Street Coupe
1978
GMC Caballero Laredo
1978 - 1980
GMC Caballero Diablo
1978 - 1987
GMC Caballero
1978 - 1987
GMC Jimmy Street Coupe
1978 - 1982
Oldsmobile Cutlass Vista Cruiser
1978 - 1979
Oldsmobile Cutlass Calais
1978 - 1980
1984
Oldsmobile Cutlass Supreme
1978 - 1980
1983
1985 - 1987
Oldsmobile Starfire Firenza
1978 - 1979
Pontiac Grand Am
1978 - 1980
Pontiac Grand Prix
1978 - 1980
1983 - 1987
Pontiac Phoenix SJ
1978 - 1979
Pontiac Sunbird
1978 - 1979
Chevrolet Camaro Berlinetta
1979 - 1986
Chevrolet El Camino Royal Knight
1979 - 1981
Chevrolet Malibu Estate
1979 - 1980
Chevrolet Malibu Police
1979
GMC C1500 Sierra Grande
1979 - 1982
GMC C1500 Sierra Classic
1979 - 1986
GMC C1500 High Sierra
1979 - 1986
GMC C1500
1979 - 1986
1994
GMC C1500 Street Coupe
1979 - 1982
GMC C1500 Suburban Sierra Classic
1979 - 1986
GMC C1500 Suburban High Sierra
1979 - 1986
GMC C1500 Suburban
1979 - 1986
1992
1992 - 1993
1993 - 1994
1994
GMC C1500 Suburban Sierra Grande
1979 - 1982
GMC C2500 Sierra Grande
1979 - 1982
GMC C2500 Sierra Classic
1979 - 1986
GMC C2500 High Sierra
1979 - 1986
GMC C2500
1979 - 1986
1994
GMC C2500 Suburban Sierra Grande
1979 - 1982
GMC C2500 Suburban Sierra Classic
1979 - 1986
GMC C2500 Suburban High Sierra
1979 - 1986
GMC C2500 Suburban
1979 - 1986
1992
1992 - 1993
1993 - 1994
1994
GMC C3500 Sierra Grande
1979 - 1982
GMC C3500 Sierra Classic
1979 - 1986
GMC C3500 High Sierra
1979 - 1986
GMC C3500
1979 - 1986
1994
GMC G3500 Magnavan
1979 - 1994
GMC K1500 Sierra Grande
1979 - 1982
GMC K1500 Sierra Classic
1979 - 1986
GMC K1500 High Sierra
1979 - 1986
GMC K1500
1979 - 1986
GMC K1500 Suburban Sierra Grande
1979 - 1982
GMC K1500 Suburban Sierra Classic
1979 - 1986
GMC K1500 Suburban High Sierra
1979 - 1986
GMC K1500 Suburban
1979 - 1986
GMC K2500 Sierra Classic
1979 - 1986
GMC K2500 High Sierra
1979 - 1986
GMC K2500
1979 - 1986
GMC K2500 Sierra Grande
1979 - 1982
GMC K2500 Suburban Sierra Classic
1979 - 1986
GMC K2500 Suburban High Sierra
1979 - 1986
GMC K2500 Suburban
1979 - 1986
GMC K2500 Suburban Sierra Grande
1979 - 1982
GMC K3500 Sierra Grande
1979 - 1982
GMC K3500 Sierra Classic
1979 - 1986
GMC K3500 High Sierra
1979 - 1986
GMC K3500
1979 - 1986
GMC P1500
1979
GMC P1500 Value Van
1979
GMC P2500 Value Van
1979 - 1989
GMC P2500
1979 - 1989
GMC P3500 Value Van
1979 - 1990
GMC P3500
1979 - 1994
Oldsmobile Cutlass Vista Cruiser Brougham
1979
Oldsmobile Cutlass Salon Hurst
1979
Oldsmobile Cutlass Salon 442
1979
1985 - 1986
Cadillac Eldorado Biarritz
1980
Cadillac Eldorado
1980
Cadillac Eldorado Cabriolet
1980
Cadillac Seville
1980
Cadillac Seville Elegante
1980
Excalibur Phaeton
1980 - 1984
1986 - 1989
Oldsmobile Cutlass
1980
Oldsmobile Cutlass Cruiser
1980
1982 - 1983
Pontiac Catalina
1980 - 1981
Avanti II
1981 - 1985
Buick Century Sport
1981
Chevrolet C10 Custom
1981 - 1986
Chevrolet C10 Deluxe
1981
Chevrolet C10 Suburban Deluxe
1981
Chevrolet C10 Suburban Custom
1981 - 1986
Chevrolet C20 Deluxe
1981
Chevrolet C20 Custom
1981 - 1986
Chevrolet C20 Suburban Deluxe
1981
Chevrolet C20 Suburban Custom
1981 - 1986
Chevrolet C30 Deluxe
1981
Chevrolet C30 Custom
1981 - 1986
Chevrolet Camaro Sport
1981 - 1987
Chevrolet Impala Estate
1981 - 1982
Chevrolet K10 Deluxe
1981
Chevrolet K10 Custom
1981 - 1986
Chevrolet K10 Suburban Deluxe
1981
Chevrolet K10 Suburban Custom
1981 - 1986
Chevrolet K20 Deluxe
1981
Chevrolet K20 Custom
1981 - 1986
Chevrolet K20 Suburban Deluxe
1981
Chevrolet K20 Suburban Custom
1981 - 1986
Chevrolet K30 Deluxe
1981
Chevrolet K30 Custom
1981 - 1986
Chevrolet K5 Blazer Deluxe
1981
Chevrolet K5 Blazer Custom
1981 - 1986
GMC Caballero Amarillo
1981 - 1986
GMC Caballero Royal Knight
1981
GMC Caballero Conquista
1981
Chevrolet Camaro Z28 Indianapolis 500 Pace Car
1982
Chevrolet Corvette Collector's Edition
1982
Chevrolet G10 Bonaventure
1983 - 1984
Chevrolet G10
1983
Chevrolet G20 Bonaventure
1983 - 1984
Chevrolet G30 Bonaventure
1983 - 1984
Chevrolet Malibu Classic
1983
Chevrolet Monte Carlo CL
1983
Chevrolet Monte Carlo SS
1983
GMC G1500 Rally STX
1983
1994
GMC G1500 Rally Custom
1983
Pontiac Bonneville
1983 - 1986
Pontiac Parisienne
1983 - 1986
Oldsmobile Cutlass Calais Hurst
1984
Avanti II GT
1985
Chevrolet Camaro Z28 Iroc-Z
1985 - 1987
Excalibur Phaeton Anniversary
1985
Oldsmobile Cutlass Supreme LS
1985
Chevrolet Monte Carlo LS
1986 - 1988
GMC Jimmy Silverado
1986
Chevrolet Blazer Silverado
1987 - 1994
Chevrolet Blazer Custom Deluxe
1987
Chevrolet R10 Silverado
1987
Chevrolet R10 Scottsdale
1987
Chevrolet R10 Custom Deluxe
1987
Chevrolet R10 Suburban Scottsdale
1987 - 1988
Chevrolet R10 Suburban Custom Deluxe
1987
Chevrolet R10 Suburban Silverado
1987 - 1988
Chevrolet R20 Silverado
1987 - 1988
Chevrolet R20 Scottsdale
1987 - 1988
Chevrolet R20 Custom Deluxe
1987
Chevrolet R20 Suburban Silverado
1987 - 1988
Chevrolet R20 Suburban Scottsdale
1987 - 1988
Chevrolet R20 Suburban Custom Deluxe
1987
Chevrolet R30 Silverado
1987 - 1988
Chevrolet R30 Scottsdale
1987 - 1988
Chevrolet R30 Custom Deluxe
1987
Chevrolet V10 Silverado
1987
Chevrolet V10 Scottsdale
1987
Chevrolet V10 Custom Deluxe
1987
Chevrolet V10 Suburban Silverado
1987 - 1988
Chevrolet V10 Suburban Scottsdale
1987 - 1988
Chevrolet V10 Suburban Custom Deluxe
1987
Chevrolet V20 Silverado
1987
Chevrolet V20 Scottsdale
1987
Chevrolet V20 Custom Deluxe
1987
Chevrolet V20 Suburban Silverado
1987 - 1988
Chevrolet V20 Suburban Scottsdale
1987 - 1988
Chevrolet V20 Suburban Custom Deluxe
1987
Chevrolet V30 Silverado
1987 - 1988
Chevrolet V30 Scottsdale
1987 - 1988
Chevrolet V30 Custom Deluxe
1987
GMC R1500 Sierra Classic
1987
GMC R1500 High Sierra
1987
GMC R1500
1987
GMC R1500 Suburban
1987 - 1991
GMC R1500 Suburban Sierra Classic
1987 - 1989
GMC R1500 Suburban High Sierra
1987
GMC R2500 Sierra Classic
1987 - 1989
GMC R2500 High Sierra
1987 - 1989
GMC R2500
1987 - 1989
GMC R2500 Suburban Sierra Classic
1987 - 1989
GMC R2500 Suburban High Sierra
1987
GMC R2500 Suburban
1987 - 1991
GMC R3500
1987 - 1991
GMC R3500 Sierra Classic
1987 - 1989
GMC R3500 High Sierra
1987 - 1989
GMC V1500 Sierra Classic
1987
GMC V1500 High Sierra
1987
GMC V1500
1987
GMC V1500 Suburban
1987 - 1988
GMC V1500 Suburban Sierra Classic
1987 - 1988
GMC V1500 Suburban High Sierra
1987
GMC V2500
1987
GMC V2500 Sierra Classic
1987
GMC V2500 High Sierra
1987
GMC V2500 Suburban Sierra Classic
1987 - 1988
GMC V2500 Suburban High Sierra
1987
GMC V2500 Suburban
1987 - 1988
GMC V3500
1987 - 1988
GMC V3500 Sierra Classic
1987 - 1988
GMC V3500 High Sierra
1987 - 1988
Oldsmobile Cutlass Supreme 442
1987
Chevrolet Blazer Scottsdale
1988 - 1991
Chevrolet C1500 Cheyenne
1988 - 1994
Chevrolet C1500 Silverado
1988 - 1994
Chevrolet C1500 Scottsdale
1988 - 1990
Chevrolet C2500 Scottsdale
1988 - 1990
Chevrolet C2500 Cheyenne
1988 - 1994
Chevrolet C2500 Silverado
1988 - 1994
Chevrolet C3500 Scottsdale
1988 - 1990
Chevrolet C3500 Cheyenne
1988 - 1994
Chevrolet C3500 Silverado
1988 - 1994
Chevrolet Camaro Iroc-Z
1988 - 1989
Chevrolet Corvette 35th Anniversary Edition
1988
Chevrolet K1500 Scottsdale
1988
Chevrolet K1500 Cheyenne
1988
Chevrolet K1500 Silverado
1988
Chevrolet K2500 Silverado
1988
Chevrolet K2500 Scottsdale
1988
Chevrolet K2500 Cheyenne
1988
Chevrolet K3500 Silverado
1988 - 1990
Chevrolet K3500 Scottsdale
1988 - 1990
Chevrolet K3500 Cheyenne
1988 - 1990
Chevrolet R20 Cheyenne
1988
Chevrolet R30 Cheyenne
1988
Chevrolet V30 Cheyenne
1988
GMC C1500 Sierra SLX
1988
1990 - 1991
GMC C1500 Sierra SLE
1988
1990 - 1994
GMC C1500 Sierra
1988
1992
GMC C2500 Sierra SLX
1988 - 1990
GMC C2500 Sierra SLE
1988
1990 - 1993
GMC C2500 Sierra
1988
1991 - 1993
GMC C3500 Sierra SLX
1988 - 1989
GMC C3500 Sierra SLE
1988 - 1989
1992
GMC C3500 Sierra
1988 - 1989
1992 - 1993
GMC K1500 Sierra SLX
1988
GMC K1500 Sierra SLE
1988
GMC K1500 Sierra
1988
GMC K2500 Sierra SLX
1988
GMC K2500 Sierra SLE
1988
GMC K2500 Sierra
1988
GMC K3500 Sierra SLX
1988
GMC K3500 Sierra SLE
1988
GMC K3500 Sierra
1988
Chevrolet R1500 Suburban Silverado
1989 - 1991
Chevrolet R1500 Suburban Scottsdale
1989 - 1991
Chevrolet R2500 Silverado
1989
Chevrolet R2500 Scottsdale
1989
Chevrolet R2500 Cheyenne
1989
Chevrolet R2500 Suburban Scottsdale
1989 - 1991
Chevrolet R2500 Suburban Silverado
1989 - 1991
Chevrolet R3500 Silverado
1989 - 1991
Chevrolet R3500 Scottsdale
1989 - 1990
Chevrolet R3500 Cheyenne
1989 - 1991
Chevrolet V1500 Suburban Silverado
1989 - 1991
Chevrolet V1500 Suburban Scottsdale
1989 - 1991
Chevrolet V2500 Suburban Silverado
1989 - 1991
Chevrolet V2500 Suburban Scottsdale
1989 - 1991
Chevrolet V3500 Cheyenne
1989 - 1991
Chevrolet V3500 Silverado
1989 - 1991
Chevrolet V3500 Scottsdale
1989 - 1990
Cadillac Commercial Chassis
1990 - 1991
1991
1991 - 1992
1992 - 1994
1994
Cadillac Fleetwood d'Elegance
1990 - 1991
Cadillac Fleetwood
1990 - 1991
Chevrolet C1500 454 SS
1990 - 1993
Chevrolet C1500 WT
1990 - 1994
GMC R1500 Suburban SLE
1990
GMC R2500 Suburban SLE
1990
GMC R3500 SLE
1990 - 1991
Oldsmobile Custom Cruiser
1991 - 1992
Chevrolet Blazer Cheyenne
1992 - 1993
Chevrolet C1500 Suburban Silverado
1992 - 1994
Chevrolet C2500 Suburban Silverado
1992 - 1994
GMC C1500 Suburban SLE
1992 - 1994
GMC C2500 Suburban SLE
1992 - 1994
Buick Roadmaster
1994
Chevrolet Blazer Silverado Sport
1994
Chevrolet C2500 WT
1994
Chevrolet G10 Sportvan
1994
GMC C1500 Sierra SL
1994
GMC C1500 Sierra Special
1994
GMC G1500 Rally
1994
Chevrolet Express 2500 LS
1996
Moroso

80 Carter Drive
Guilford, CT CT

Website: www.moroso.com
Phone: 203-453-6571/203-458-0542

Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance applications. Moroso manufactures over 3000 products, from oil pans and oiling systems, to ignition wire, ignition components, valve covers, fuel system equipment, air cleaners, hard-core racing tools, chassis and suspension equipment, marine performance engines and numerous other performance parts. The company has an impressive list of customers, ranging from grass-roots racers to top level NASCAR Nextel Cup and NHRA/IHRA race teams.

Description for Moroso part# 23770

This bypass plate only works on Mark IV big block engines.This aluminum bypass plate replaces the engine-mounted oil filter in wet sump oiling systems and directs the oil to a remote oil filter or oil cooler. Its drilled and tapped for 1/2 in. NPT inlet and outlet fittings and includes all mounting hardware gaskets and an O-ring.

Name score Review
Asa Shaw 4 Excellent machining and high quality anodizing. Perfect fit, except the allen head bolts in my kit were too long and do not look like the ones in the photo. The part also came anodized in black despite being stated as blue anodized... Nevertheless, a very trick high quality item.
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