FiTech offers Ultra Port EFI SBC systems for a wide range of Chevrolet engine applications from the 1950s, '60s, '70s, and '80s. These fuel injection systems are compatible with a variety of fuels, including gasoline, Flex, alcohol, and methanol. The units are rated for 750 hp with gas. The cast aluminum throttle body comes in a polished finish. Order the Ultra Port EFI small block Chevy system recommended for your vehicle.

Cast aluminum
Polished
Rated for 750 horsepower

Application

Designed for a wide range of Chevrolet engine applications from the 1950s, '60s, '70s, and '80s.

CARB Warning

For use on pre-1966 vehicles only

Emissions warning: this part only legal for sale or use in California if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. ++any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering there are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

CA Prop 65

CARB warning

FiTech 30-21-610 Specifications

KEY SPECS
MFG. Part #	30-21-610
Brand	FiTech
Injection Style	Multi-port
Max Horsepower Rating	750
ECM Included	Yes

GENERAL
Fuel Injection System Type	Single 4-Barrel Throttle Body (4150 Flange)
User Tunable	Yes
Self Tuning	Yes
Injectors Included	Yes
Intake Manifold Included	Yes
Metering Style	Speed density
EGR	No
Throttle Body Included	Yes
Throttle Body Material	Cast Aluminum
Throttle Body Finish	Polished
Throttle Body Flange Type	4-barrel spread bore
Intake Material	Aluminum
Intake Finish	Black Powder Coated
Calibration Module Included	Yes
Wiring Harness Included	Yes
Fuel Pressure Regulator Included	No
MAP Sensor Included	Yes
IAC Motor Included	Yes
IAT Sensor Included	Yes
TPS Sensor Included	Yes
GTIN Code	854549007125
Sold in Quantity	Kit
Transmission Controller Included	No
Multi-Port Fuel Rails Included	Yes
Timing Control Compatible	Yes

Ratings & Reviews

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Questions & Answers

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Fitment

1991-1993 Buick Roadmaster

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03

1994 Buick Roadmaster

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1995-1996 Buick Roadmaster

Chevy Small Block V8 Gen 2 5.7 LT1

1991-1992 Cadillac Brougham

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 LB9

1999-2000 Cadillac Escalade

Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1990-1992 Cadillac Fleetwood

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1993-1996 Cadillac Fleetwood

Chevy Small Block V8 Gen 2 5.7 LT1

1973-1975 Chevy Bel Air

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1972 Chevy Blazer

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81

1973-1974 Chevy Blazer

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1987 Chevy Blazer

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1988-1994 Chevy Blazer

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1973-1975 Chevy C10

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1976-1982 Chevy C10

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1983 Chevy C10

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1984 Chevy C10

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1985 Chevy C10

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1986 Chevy C10

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 LG4
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3

1972-1975 Chevy C10 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1976-1982 Chevy C10 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1983 Chevy C10 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1984 Chevy C10 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1985 Chevy C10 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1986 Chevy C10 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1982-1987 Chevy C15

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LE9
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1988 Chevy C15

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1988-1995 Chevy C1500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1996 Chevy C1500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.0 L30
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1997-1999 Chevy C1500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.0 L30
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1992-1995 Chevy C1500 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1996-1999 Chevy C1500 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1972-1976 Chevy C20

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1977-1982 Chevy C20

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1983 Chevy C20

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1984 Chevy C20

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1985 Chevy C20

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1986 Chevy C20

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1987 Chevy C20

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1972-1975 Chevy C20 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1976-1978 Chevy C20 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1979-1982 Chevy C20 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1983 Chevy C20 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1984 Chevy C20 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1985 Chevy C20 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1986 Chevy C20 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1988-1995 Chevy C2500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1996 Chevy C2500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.0 L30
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1997-1998 Chevy C2500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.0 L30
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1999 Chevy C2500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1992-1995 Chevy C2500 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1996-1999 Chevy C2500 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1972-1977 Chevy C30

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1978-1979 Chevy C30

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1980-1982 Chevy C30

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1984 Chevy C30

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46

1986 Chevy C30

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1983-1987 Chevy C35

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1988-1995 Chevy C35

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1996-1999 Chevy C35

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1988-1995 Chevy C3500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1996-1999 Chevy C3500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1973-1975 Chevy Camaro

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1976-1982 Chevy Camaro

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1983-1984 Chevy Camaro

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1985 Chevy Camaro

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 L69
Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LB9
Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1986 Chevy Camaro

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 LB9
Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1987-1991 Chevy Camaro

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 LB9
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L98

1992 Chevy Camaro

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 LB9
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L98
Chevy Small Block V8 Gen 2 5.7 LT1

1993-1995 Chevy Camaro

Chevy Small Block V8 Gen 2 5.7 LT1

1996-1999 Chevy Camaro

Chevy Small Block V8 Gen 2 5.7 LT1
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1973-1976 Chevy Caprice

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1977 Chevy Caprice

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1978-1982 Chevy Caprice

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1983 Chevy Caprice

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1984 Chevy Caprice

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1985 Chevy Caprice

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1986 Chevy Caprice

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1987-1993 Chevy Caprice

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1994-1995 Chevy Caprice

Chevy Small Block V8 Gen 2 5.7 LT1

1996 Chevy Caprice

Chevy Small Block V8 Gen 2 5.7 LT1
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1973 Chevy Chevelle

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1973-1974 Chevy Corvette

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1980 Chevy Corvette

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1984 Chevy Corvette

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L83

1985 Chevy Corvette

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1986-1991 Chevy Corvette

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L98

1992-1995 Chevy Corvette

Chevy Small Block V8 Gen 2 5.7 LT1

1996 Chevy Corvette

Chevy Small Block V8 Gen 2 5.7 LT1
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1973-1975 Chevy El Camino

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1976-1977 Chevy El Camino

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1978-1979 Chevy El Camino

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1980-1982 Chevy El Camino

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3

1983 Chevy El Camino

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1984 Chevy El Camino

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81

1985 Chevy El Camino

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1986 Chevy El Camino

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1987 Chevy El Camino

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03

1996-1999 Chevy Express 1500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.0 L30
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

2000-2002 Chevy Express 1500

Chevy Small Block V8 Vortec 1-Piece Rear Main 5.0 L30

1996 Chevy Express 2500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.0 L30
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1997 Chevy Express 2500

Chevy Small Block V8 Gen 2 5.7 LT1
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.0 L30
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1998-1999 Chevy Express 2500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.0 L30
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

2000-2002 Chevy Express 2500

Chevy Small Block V8 Vortec 1-Piece Rear Main 5.0 L30

1996-1999 Chevy Express 3500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1975-1976 Chevy G10

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1977-1982 Chevy G10

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1983 Chevy G10

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1984 Chevy G10

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1985 Chevy G10

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1986 Chevy G10

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1987-1993 Chevy G10

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1994-1995 Chevy G10

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03

1970 Chevy G10 Van

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1972-1974 Chevy G10 Van

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1975-1976 Chevy G20

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1977-1982 Chevy G20

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1983-1985 Chevy G20

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1986 Chevy G20

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1987-1995 Chevy G20

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1972 Chevy G20 Van

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1973-1974 Chevy G20 Van

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1975-1977 Chevy G30

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81

1978-1979 Chevy G30

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81

1980-1981 Chevy G30

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81

1982 Chevy G30

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81

1985 Chevy G30

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1986-1995 Chevy G30

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1996 Chevy G30

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1970 Chevy G30 Van

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1972-1974 Chevy G30 Van

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81

1973-1976 Chevy Impala

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1977-1982 Chevy Impala

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1983 Chevy Impala

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1984 Chevy Impala

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1985 Chevy Impala

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1994-1995 Chevy Impala

Chevy Small Block V8 Gen 2 5.7 LT1

1996 Chevy Impala

Chevy Small Block V8 Gen 2 5.7 LT1
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1972-1976 Chevy K10

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1977-1979 Chevy K10

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1980 Chevy K10

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1981-1982 Chevy K10

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1983-1985 Chevy K10

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1986 Chevy K10

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1972-1975 Chevy K10 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1976-1982 Chevy K10 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1983-1985 Chevy K10 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1986 Chevy K10 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1988-1995 Chevy K1500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1996-1999 Chevy K1500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.0 L30
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1992-1995 Chevy K1500 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1996-1999 Chevy K1500 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1972-1976 Chevy K20

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1977-1978 Chevy K20

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1979 Chevy K20

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1980 Chevy K20

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1981-1982 Chevy K20

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1985 Chevy K20

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1986 Chevy K20

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1972-1976 Chevy K20 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1977-1978 Chevy K20 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1979-1982 Chevy K20 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1985 Chevy K20 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1986 Chevy K20 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1988-1995 Chevy K2500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1996 Chevy K2500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1997-1998 Chevy K2500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.0 L30
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1999 Chevy K2500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1992-1995 Chevy K2500 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1996-1999 Chevy K2500 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1972-1974 Chevy K30

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1977-1982 Chevy K30

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1986 Chevy K30

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1988-1995 Chevy K3500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1996-1999 Chevy K3500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1970-1974 Chevy K5 Blazer

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1975-1976 Chevy K5 Blazer

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1977-1981 Chevy K5 Blazer

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1982 Chevy K5 Blazer

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1983 Chevy K5 Blazer

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1984 Chevy K5 Blazer

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1985 Chevy K5 Blazer

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1986 Chevy K5 Blazer

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1973-1975 Chevy Laguna

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1976 Chevy Laguna

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1973-1975 Chevy Malibu

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1976-1982 Chevy Malibu

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1983 Chevy Malibu

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1970-1971 Chevy Monte Carlo

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1973-1975 Chevy Monte Carlo

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1976-1977 Chevy Monte Carlo

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1978-1981 Chevy Monte Carlo

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1982-1983 Chevy Monte Carlo

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1984-1985 Chevy Monte Carlo

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1986 Chevy Monte Carlo

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4

1987-1988 Chevy Monte Carlo

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03

1975 Chevy Monza

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1976-1979 Chevy Monza

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3

1973-1974 Chevy Nova

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1975 Chevy Nova

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1976-1979 Chevy Nova

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG3
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48

1975-1979 Chevy P30

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81

1980-1983 Chevy P30

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1985 Chevy P30

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1986-1995 Chevy P30

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1996-1999 Chevy P30

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1970 Chevy P30 Van

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1972 Chevy P30 Van

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81

1973-1974 Chevy P30 Van

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81

1987 Chevy R10

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1987 Chevy R10 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1988 Chevy R10 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1989-1991 Chevy R1500 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1987 Chevy R20

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1988 Chevy R20

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1987-1988 Chevy R20 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1995 Chevy R25

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1996-1999 Chevy R25

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1989 Chevy R2500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1989-1991 Chevy R2500 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1987-1988 Chevy R30

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1989-1991 Chevy R3500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1995 Chevy Silverado

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1996-1999 Chevy Silverado

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1987-1994 Chevy Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1995 Chevy Suburban 1500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1996-1999 Chevy Suburban 1500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1995 Chevy Tahoe

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1996-1999 Chevy Tahoe

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1987 Chevy V10

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1987-1988 Chevy V10 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1989-1991 Chevy V1500 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1987 Chevy V20

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1987-1988 Chevy V20 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1989-1991 Chevy V2500 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1987-1988 Chevy V30

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1989-1991 Chevy V3500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1963-1965 GMC 1000 Series

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LE9

1967 GMC C15/C1500 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1980-1984 GMC C1500

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1998-1999 GMC C1500

Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1980-1986 GMC C1500 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1992-1999 GMC C1500 Suburban

Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1967-1972 GMC C25/C2500 Pickup

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1967-1972 GMC C25/C2500 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1967-1974 GMC C35/C3500 Pickup

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1978-1987 GMC Caballero

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1975-1978 GMC G15

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1967-1974 GMC G15/G1500 Van

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1979-1986 GMC G1500

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1987-1995 GMC G1500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1975-1978 GMC G25

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1967-1974 GMC G25/G2500 Van

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1979-1986 GMC G2500

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1987-1995 GMC G2500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1975-1978 GMC G35

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1967 GMC G35/G3500 Van

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1970-1974 GMC G35/G3500 Van

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1979-1986 GMC G3500

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1987-1994 GMC G3500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1995-1996 GMC G3500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L98

1970-1973 GMC Jimmy

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LE9

1974-1977 GMC Jimmy

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1978-1982 GMC Jimmy

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LE9

1983-1984 GMC Jimmy

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1986 GMC Jimmy

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1987 GMC Jimmy

Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L98

1988-1990 GMC Jimmy

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1975-1978 GMC K15

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1975-1978 GMC K15 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1967-1974 GMC K15/K1500 Pickup

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1967-1974 GMC K15/K1500 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1979-1984 GMC K1500

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1998-1999 GMC K1500

Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1979-1980 GMC K1500 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1981-1986 GMC K1500 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L98

1992-1999 GMC K1500 Suburban

Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1975-1978 GMC K25

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1975-1978 GMC K25 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1967-1974 GMC K25/K2500 Pickup

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1967-1974 GMC K25/K2500 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1979-1984 GMC K2500

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350

1986 GMC K2500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1996-2000 GMC K2500

Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1979-1986 GMC K2500 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1992-1993 GMC K2500 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05

1994-1999 GMC K2500 Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1967-1974 GMC K35/K3500 Pickup

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L48
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L65
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L81
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L82

1987 GMC R1500 Suburban

Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1988-1991 GMC R1500 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L98

1996-2000 GMC Savana 1500

Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1973-1977 GMC Sprint

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 LM1

1960-1966 GMC Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 L69

1967 GMC Suburban

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L46

1987-1991 GMC V1500 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L98
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L98

1987 GMC V2500

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L98
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L98

1987-1991 GMC V2500 Suburban

Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L05
Chevy Small Block V8 Gen 1 1-Piece Rear Main 350 L98
Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L98

1987-1991 GMC V3500

Chevy Small Block V8 Gen 1 2-Piece Rear Main 350 L98

1992-2011 GMC Yukon

Chevy Small Block V8 Vortec 1-Piece Rear Main 5.7 L31

1975-1977 Oldsmobile Starfire

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305

1985 Pontiac Firebird

Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 L69
Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LB9
Chevy Small Block V8 Gen 1 2-Piece Rear Main 305 LG4