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Flowtech 99153FLT - Header Gasket, Big Block Chevy, Round Port
Flowtech 99153FLT - Header Gasket, Big Block Chevy, Round Port
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Product Info
Flowtech 99153FLT - Header Gasket, Big Block Chevy, Round Port
Flowtech Real-Seal Header Gaskets are constructed of separate layers of "Dead Soft" aluminum. They will work when an o-ringed gasket will not because the "Dead Soft" aluminum conforms to create a leak-proof seal. Fits only with port shape listed. Please verify port shape on header and match to proper gasket.
Key Features:- Exhaust Header Gasket
- Rear Seal
- Round Port
Flowtech Performance Exhaust was founded in 1994, by Gary Biggs - exhaust market expert, and became the leader in value priced exhaust systems in less than two decades. In 1999 Flowtech joined Holley Performance Products.
Description
- Exhaust Header Gasket
- Rear Seal
- Round Port
Vehicle Fitment
Year | Make | Model | Submodel | Engine Size |
---|---|---|---|---|
1966 - 1967 | CHEVROLET | BEL AIR | BASE | 7.0L V8 GAS |
1968 - 1969 | CHEVROLET | BEL AIR | BASE | 6.5L V8 GAS, 7.0L V8 GAS |
1970 | CHEVROLET | BEL AIR | BASE | 7.4L V8 GAS |
1971 - 1972 | CHEVROLET | BEL AIR | BASE | 6.6L V8 GAS, 7.4L V8 GAS |
1973 - 1975 | CHEVROLET | BEL AIR | BASE | 7.4L V8 GAS |
1966 - 1967 | CHEVROLET | BISCAYNE | BASE | 7.0L V8 GAS |
1968 - 1969 | CHEVROLET | BISCAYNE | BASE | 6.5L V8 GAS, 7.0L V8 GAS |
1971 - 1972 | CHEVROLET | BISCAYNE | BASE | 6.6L V8 GAS, 7.4L V8 GAS |
1973 | CHEVROLET | BLAZER | BASE | 7.4L V8 GAS |
1972 | CHEVROLET | BROOKWOOD | BASE | 6.6L V8 GAS |
1968 - 1969 | CHEVROLET | C10 | BASE | 6.5L V8 GAS |
1970 - 1972 | CHEVROLET | C10 | BASE | 6.6L V8 GAS |
1973 - 1974 | CHEVROLET | C10 | BASE | 7.4L V8 GAS |
1975 - 1977 | CHEVROLET | C10 | CHEYENNE, Custom Deluxe, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1978 - 1980 | CHEVROLET | C10 | Big Ten, CHEYENNE, Custom Deluxe, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1968 - 1969 | CHEVROLET | C10 SUBURBAN | BASE | 6.5L V8 GAS |
1970 - 1972 | CHEVROLET | C10 SUBURBAN | BASE | 6.6L V8 GAS |
1973 - 1974 | CHEVROLET | C10 SUBURBAN | BASE | 7.4L V8 GAS |
1975 - 1980 | CHEVROLET | C10 SUBURBAN | Custom Deluxe, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1990 | CHEVROLET | C1500 | 454 SS, CHEYENNE, SCOTTSDALE, SILVERADO, WT | 7.4L V8 GAS |
1968 - 1969 | CHEVROLET | C20 | BASE | 6.5L V8 GAS |
1970 - 1972 | CHEVROLET | C20 | BASE | 6.6L V8 GAS |
1973 - 1974 | CHEVROLET | C20 | BASE | 7.4L V8 GAS |
1975 - 1980 | CHEVROLET | C20 | CHEYENNE, Custom Deluxe, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1981 | CHEVROLET | C20 | CHEYENNE, CUSTOM, DELUXE, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1982 - 1986 | CHEVROLET | C20 | CUSTOM, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1968 - 1969 | CHEVROLET | C20 SUBURBAN | BASE | 6.5L V8 GAS |
1970 - 1972 | CHEVROLET | C20 SUBURBAN | BASE | 6.6L V8 GAS |
1973 - 1974 | CHEVROLET | C20 SUBURBAN | BASE | 7.4L V8 GAS |
1975 - 1980 | CHEVROLET | C20 SUBURBAN | Custom Deluxe, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1981 | CHEVROLET | C20 SUBURBAN | CUSTOM, DELUXE, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1982 - 1986 | CHEVROLET | C20 SUBURBAN | CUSTOM, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1968 - 1969 | CHEVROLET | C30 | BASE | 6.5L V8 GAS |
1970 - 1972 | CHEVROLET | C30 | BASE | 6.6L V8 GAS |
1973 - 1974 | CHEVROLET | C30 | BASE | 7.4L V8 GAS |
1975 - 1980 | CHEVROLET | C30 | CHEYENNE, Custom Deluxe, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1981 | CHEVROLET | C30 | CHEYENNE, CUSTOM, DELUXE, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1982 - 1986 | CHEVROLET | C30 | CUSTOM, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1988 - 1990 | CHEVROLET | C3500 | CHEYENNE, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1968 - 1969 | CHEVROLET | CAMARO | Ss | 6.5L V8 GAS |
1970 | CHEVROLET | CAMARO | Ss | 6.6L V8 GAS |
1971 | CHEVROLET | CAMARO | BASE, Ss | 6.6L V8 GAS |
1972 | CHEVROLET | CAMARO | BASE | 6.6L V8 GAS |
1966 - 1967 | CHEVROLET | CAPRICE | BASE | 7.0L V8 GAS |
1968 - 1969 | CHEVROLET | CAPRICE | BASE | 6.5L V8 GAS, 7.0L V8 GAS |
1970 | CHEVROLET | CAPRICE | BASE | 7.4L V8 GAS |
1971 - 1972 | CHEVROLET | CAPRICE | BASE | 6.6L V8 GAS, 7.4L V8 GAS |
1973 - 1974 | CHEVROLET | CAPRICE | Classic, Estate | 7.4L V8 GAS |
1975 | CHEVROLET | CAPRICE | Classic, Classic Sport, Estate Wagon | 7.4L V8 GAS |
1976 | CHEVROLET | CAPRICE | Classic, Classic Estate, Classic Landau, Classic Sport | 7.4L V8 GAS |
1966 - 1967 | CHEVROLET | CHEVELLE | Ss | 6.5L V8 GAS |
1968 | CHEVROLET | CHEVELLE | 300, 300 Deluxe, CONCOURS, Malibu, Nomad, Ss | 6.5L V8 GAS |
1969 | CHEVROLET | CHEVELLE | 300 Deluxe, CONCOURS, Concours Estate, Greenbrier, Malibu, Nomad, Ss | 6.5L V8 GAS |
1970 | CHEVROLET | CHEVELLE | BASE, Concours Estate, Greenbrier, Malibu, Nomad, Ss | 6.5L V8 GAS, 6.6L V8 GAS, 7.4L V8 GAS |
1971 | CHEVROLET | CHEVELLE | BASE, Malibu, Nomad | 7.4L V8 GAS |
1972 | CHEVROLET | CHEVELLE | BASE, CONCOURS, Concours Estate, Greenbrier, Malibu, Nomad | 6.6L V8 GAS, 7.4L V8 GAS |
1973 | CHEVROLET | CHEVELLE | DELUXE | 7.4L V8 GAS |
1968 | CHEVROLET | CHEVY II | Nova | 6.5L V8 GAS |
1966 - 1969 | CHEVROLET | CORVETTE | BASE | 7.0L V8 GAS |
1970 - 1974 | CHEVROLET | CORVETTE | BASE | 7.4L V8 GAS |
1969 | CHEVROLET | EL CAMINO | BASE, CUSTOM, Ss | 6.5L V8 GAS |
1970 - 1972 | CHEVROLET | EL CAMINO | BASE, CUSTOM, Ss | 6.6L V8 GAS, 7.4L V8 GAS |
1973 - 1974 | CHEVROLET | EL CAMINO | BASE, CUSTOM, Ss | 7.4L V8 GAS |
1975 | CHEVROLET | EL CAMINO | BASE | 7.4L V8 GAS |
1973 - 1974 | CHEVROLET | G20 VAN | BASE | 7.4L V8 GAS |
1976 | CHEVROLET | G20 VAN | Beauville, Chevy Van | 7.4L V8 GAS |
1973 - 1974 | CHEVROLET | G30 VAN | BASE | 7.4L V8 GAS |
1975 - 1976 | CHEVROLET | G30 VAN | Beauville, Chevy Van, Hi-Cube | 7.4L V8 GAS |
1988 | CHEVROLET | G30 VAN | Sportvan | 7.4L V8 GAS |
1989 - 1990 | CHEVROLET | G30 VAN | Beauville, Chevy Van, Hi-Cube, Sportvan | 7.4L V8 GAS |
1966 - 1967 | CHEVROLET | IMPALA | BASE, Ss | 7.0L V8 GAS |
1968 - 1969 | CHEVROLET | IMPALA | BASE | 6.5L V8 GAS, 7.0L V8 GAS |
1970 | CHEVROLET | IMPALA | BASE | 7.4L V8 GAS |
1971 - 1972 | CHEVROLET | IMPALA | BASE | 6.6L V8 GAS, 7.4L V8 GAS |
1973 - 1974 | CHEVROLET | IMPALA | BASE | 7.4L V8 GAS |
1975 | CHEVROLET | IMPALA | BASE, CUSTOM, SPORT | 7.4L V8 GAS |
1976 | CHEVROLET | IMPALA | BASE, CUSTOM, Custom Landau, S, SPORT | 7.4L V8 GAS |
1968 - 1969 | CHEVROLET | K10 | BASE | 6.5L V8 GAS |
1974 | CHEVROLET | K10 | BASE | 7.4L V8 GAS |
1976 - 1980 | CHEVROLET | K10 | CHEYENNE, Custom Deluxe, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1968 - 1969 | CHEVROLET | K10 SUBURBAN | BASE | 6.5L V8 GAS |
1970 - 1972 | CHEVROLET | K10 SUBURBAN | BASE | 6.6L V8 GAS |
1968 - 1969 | CHEVROLET | K20 | BASE | 6.5L V8 GAS |
1973 - 1974 | CHEVROLET | K20 | BASE | 7.4L V8 GAS |
1976 - 1980 | CHEVROLET | K20 | CHEYENNE, Custom Deluxe, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1968 - 1969 | CHEVROLET | K30 | BASE | 6.5L V8 GAS |
1970 - 1971 | CHEVROLET | K30 | BASE | 6.6L V8 GAS |
1973 - 1974 | CHEVROLET | K30 | BASE | 7.4L V8 GAS |
1977 - 1980 | CHEVROLET | K30 | CHEYENNE, Custom Deluxe, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1981 | CHEVROLET | K30 | CHEYENNE, CUSTOM, DELUXE, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1982 - 1986 | CHEVROLET | K30 | CUSTOM, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1988 - 1990 | CHEVROLET | K3500 | CHEYENNE, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1976 | CHEVROLET | K5 BLAZER | BASE, CHEYENNE | 7.4L V8 GAS |
1977 | CHEVROLET | K5 BLAZER | CHEYENNE, Custom Deluxe | 7.4L V8 GAS |
1978 | CHEVROLET | K5 BLAZER | CHEYENNE, Custom Deluxe, SILVERADO | 7.4L V8 GAS |
1970 | CHEVROLET | KINGSWOOD | BASE | 7.4L V8 GAS |
1971 | CHEVROLET | KINGSWOOD | BASE, Estate | 6.6L V8 GAS |
1972 | CHEVROLET | KINGSWOOD | BASE, Estate | 6.6L V8 GAS, 7.4L V8 GAS |
1973 | CHEVROLET | LAGUNA | BASE, Estate | 7.4L V8 GAS |
1974 | CHEVROLET | LAGUNA | BASE, Type S-3 | 7.4L V8 GAS |
1975 | CHEVROLET | LAGUNA | BASE, S3 | 7.4L V8 GAS |
1973 | CHEVROLET | MALIBU | BASE, Estate | 7.4L V8 GAS |
1974 | CHEVROLET | MALIBU | BASE, Classic, Estate | 7.4L V8 GAS |
1975 | CHEVROLET | MALIBU | Classic | 7.4L V8 GAS |
1970 | CHEVROLET | MONTE CARLO | BASE | 6.6L V8 GAS, 7.4L V8 GAS |
1971 | CHEVROLET | MONTE CARLO | BASE | 7.4L V8 GAS |
1972 | CHEVROLET | MONTE CARLO | BASE | 6.6L V8 GAS, 7.4L V8 GAS |
1973 | CHEVROLET | MONTE CARLO | BASE, Landau, S | 7.4L V8 GAS |
1974 | CHEVROLET | MONTE CARLO | BASE, Landau | 7.4L V8 GAS |
1975 | CHEVROLET | MONTE CARLO | S | 7.4L V8 GAS |
1969 | CHEVROLET | NOVA | BASE | 6.5L V8 GAS |
1970 | CHEVROLET | NOVA | BASE | 6.5L V8 GAS, 6.6L V8 GAS |
1987 | CHEVROLET | R20 | Custom Deluxe, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1988 | CHEVROLET | R20 | CHEYENNE, Custom Deluxe, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1987 | CHEVROLET | R20 SUBURBAN | Custom Deluxe, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1988 | CHEVROLET | R20 SUBURBAN | SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1989 | CHEVROLET | R2500 | CHEYENNE, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1989 - 1990 | CHEVROLET | R2500 SUBURBAN | SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1987 | CHEVROLET | R30 | Custom Deluxe, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1988 | CHEVROLET | R30 | CHEYENNE, Custom Deluxe, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1989 - 1990 | CHEVROLET | R3500 | CHEYENNE, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1970 | CHEVROLET | TOWNSMAN | BASE | 7.4L V8 GAS |
1972 | CHEVROLET | TOWNSMAN | BASE | 6.6L V8 GAS, 7.4L V8 GAS |
1987 | CHEVROLET | V30 | Custom Deluxe, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1988 | CHEVROLET | V30 | CHEYENNE, Custom Deluxe, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1989 - 1990 | CHEVROLET | V3500 | CHEYENNE, SCOTTSDALE, SILVERADO | 7.4L V8 GAS |
1975 - 1978 | GMC | C15 SUBURBAN | BASE, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 GAS |
1968 - 1969 | GMC | C15/C1500 SUBURBAN | BASE | 6.5L V8 GAS |
1970 - 1972 | GMC | C15/C1500 SUBURBAN | BASE | 6.6L V8 GAS |
1973 - 1974 | GMC | C15/C1500 SUBURBAN | BASE | 7.4L V8 GAS |
1968 - 1969 | GMC | C1500 | BASE | 6.5L V8 GAS |
1970 - 1972 | GMC | C1500 | BASE | 6.6L V8 GAS |
1973 - 1974 | GMC | C1500 | BASE | 7.4L V8 GAS |
1975 - 1976 | GMC | C1500 | BASE, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 GAS |
1977 | GMC | C1500 | BASE, Heavy Half, High Sierra, Indy Hauler, Sierra Classic, Sierra Grande | 7.4L V8 GAS |
1978 - 1980 | GMC | C1500 | BASE, Heavy Half, High Sierra, Sierra Classic, Sierra Grande, Street Coupe | 7.4L V8 GAS |
1979 - 1980 | GMC | C1500 SUBURBAN | BASE, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 GAS |
1975 - 1978 | GMC | C25 SUBURBAN | BASE, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 GAS |
1968 - 1969 | GMC | C25/C2500 | BASE | 6.5L V8 GAS |
1970 - 1972 | GMC | C25/C2500 | BASE | 6.6L V8 GAS |
1973 - 1974 | GMC | C25/C2500 | BASE | 7.4L V8 GAS |
1975 - 1978 | GMC | C25/C2500 | BASE, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 GAS |
1968 - 1969 | GMC | C25/C2500 SUBURBAN | BASE | 6.5L V8 GAS |
1970 - 1972 | GMC | C25/C2500 SUBURBAN | BASE | 6.6L V8 GAS |
1974 | GMC | C25/C2500 SUBURBAN | BASE | 7.4L V8 GAS |
1979 - 1982 | GMC | C2500 | BASE, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 GAS |
1983 - 1986 | GMC | C2500 | BASE, High Sierra, Sierra Classic | 7.4L V8 GAS |
1979 - 1982 | GMC | C2500 SUBURBAN | BASE, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 GAS |
1983 - 1986 | GMC | C2500 SUBURBAN | BASE, High Sierra, Sierra Classic | 7.4L V8 GAS |
1968 - 1969 | GMC | C35/C3500 | BASE | 6.5L V8 GAS |
1970 - 1972 | GMC | C35/C3500 | BASE | 6.6L V8 GAS |
1973 - 1974 | GMC | C35/C3500 | BASE | 7.4L V8 GAS |
1975 - 1978 | GMC | C35/C3500 | BASE, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 GAS |
1979 - 1982 | GMC | C3500 | BASE, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 GAS |
1983 - 1986 | GMC | C3500 | BASE, High Sierra, Sierra Classic | 7.4L V8 GAS |
1988 - 1990 | GMC | C3500 | Sierra, Sierra SLE, Sierra SLX | 7.4L V8 GAS |
1975 - 1976 | GMC | G25/G2500 VAN | Rally, Rally STX | 7.4L V8 GAS |
1976 | GMC | G35/G3500 VAN | Magnavan | 7.4L V8 GAS |
1988 | GMC | G35/G3500 VAN | Magnavan | 7.4L V8 GAS |
1989 - 1990 | GMC | G35/G3500 VAN | Magnavan, Rally, Rally Camper Special, Rally STX, Vandura, Vandura Special | 7.4L V8 GAS |
1973 | GMC | JIMMY | BASE | 7.4L V8 GAS |
1976 | GMC | JIMMY | BASE, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 GAS |
1968 | GMC | K15/K1500 SUBURBAN | BASE | 6.5L V8 GAS |
1970 - 1972 | GMC | K15/K1500 SUBURBAN | BASE | 6.6L V8 GAS |
1974 | GMC | K15/K1500 SUBURBAN | BASE | 7.4L V8 GAS |
1968 - 1969 | GMC | K1500 | BASE | 6.5L V8 GAS |
1976 - 1980 | GMC | K1500 | BASE, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 GAS |
1976 - 1978 | GMC | K25 | BASE, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 GAS |
1976 - 1977 | GMC | K25 SUBURBAN | BASE, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 GAS |
1968 - 1969 | GMC | K25/K2500 | BASE | 6.5L V8 GAS |
1973 - 1974 | GMC | K25/K2500 | BASE | 7.4L V8 GAS |
1968 | GMC | K25/K2500 SUBURBAN | BASE | 6.5L V8 GAS |
1974 | GMC | K25/K2500 SUBURBAN | BASE | 7.4L V8 GAS |
1968 - 1969 | GMC | K35/K3500 | BASE | 6.5L V8 GAS |
1970 - 1971 | GMC | K35/K3500 | BASE | 6.6L V8 GAS |
1973 - 1974 | GMC | K35/K3500 | BASE | 7.4L V8 GAS |
1979 - 1982 | GMC | K3500 | BASE, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 GAS |
1983 - 1986 | GMC | K3500 | BASE, High Sierra, Sierra Classic | 7.4L V8 GAS |
1988 - 1990 | GMC | K3500 | Sierra, Sierra SLE, Sierra SLX | 7.4L V8 GAS |
1987 - 1989 | GMC | R2500 | BASE, High Sierra, Sierra Classic | 7.4L V8 GAS |
1987 | GMC | R2500 SUBURBAN | BASE, High Sierra, Sierra Classic | 7.4L V8 GAS |
1988 - 1989 | GMC | R2500 SUBURBAN | BASE, Sierra Classic | 7.4L V8 GAS |
1990 | GMC | R2500 SUBURBAN | BASE, SLE | 7.4L V8 GAS |
1987 - 1989 | GMC | R3500 | BASE, High Sierra, Sierra Classic | 7.4L V8 GAS |
1990 | GMC | R3500 | BASE, SLE | 7.4L V8 GAS |
1971 | GMC | SPRINT | BASE | 6.6L V8 GAS, 7.4L V8 GAS |
1972 - 1974 | GMC | SPRINT | BASE, CUSTOM | 6.6L V8 GAS, 7.4L V8 GAS |
1975 | GMC | SPRINT | BASE, Classic, High Sierra, SP | 6.6L V8 GAS, 7.4L V8 GAS |
1987 - 1989 | GMC | V3500 | BASE, High Sierra, Sierra Classic | 7.4L V8 GAS |
1990 | GMC | V3500 | BASE, SLE | 7.4L V8 GAS |