Flowtech Header Gaskets - Aluminum-Layered - 396-454 Chevrolet Big Block Mark IV 1965-90 CJWH 99153FLT ^

Call us today to order your Flowtech Header Gaskets - Aluminum-Layered - 396-454 Chevrolet Big Block Mark IV 1965-90!

Part # 99153FLT

• "Multi -Layer Dead Soft aluminum conforms to create a leak-proof seal.Water/Weather Resistant"
• Re-Useable
• Will Not Burn Or Blow Out
• Suitable For Port-Matching
• Made In USA

you can use them over and over again.

Vehicle information below is not a guaranty of fitment. If you have fitment concerns, please call prior to ordering.

1900 ; 1965-1975 Chevrolet Bel Air Base; 1965-1972 Chevrolet Biscayne Base; 1973-1974 Chevrolet Blazer Base; 1969-1972 Chevrolet Brookwood Base; 1978-1980 Chevrolet C10 Big Ten; 1975-1980 Chevrolet C10 Cheyenne; 1975-1980 Chevrolet C10 Custom Deluxe; 1975-1980 Chevrolet C10 Scottsdale; 1975-1980 Chevrolet C10 Silverado; 1968-1974 Chevrolet C10 Pickup Base; 1968-1974 Chevrolet C10 Suburban Base; 1975-1980 Chevrolet C10 Suburban Custom Deluxe; 1975-1980 Chevrolet C10 Suburban Scottsdale; 1975-1980 Chevrolet C10 Suburban Silverado; 1990 Chevrolet C1500 454 SS; 1990 Chevrolet C1500 Cheyenne; 1990 Chevrolet C1500 Scottsdale; 1990 Chevrolet C1500 Silverado; 1990 Chevrolet C1500 WT; 1975-1981 Chevrolet C20 Cheyenne; 1981-1986 Chevrolet C20 Custom; 1975-1980 Chevrolet C20 Custom Deluxe; 1981 Chevrolet C20 Deluxe; 1975-1986 Chevrolet C20 Scottsdale; 1975-1986 Chevrolet C20 Silverado; 1968-1974 Chevrolet C20 Pickup Base; 1968-1974 Chevrolet C20 Suburban Base; 1981-1986 Chevrolet C20 Suburban Custom; 1975-1980 Chevrolet C20 Suburban Custom Deluxe; 1981 Chevrolet C20 Suburban Deluxe; 1975-1986 Chevrolet C20 Suburban Scottsdale; 1975-1986 Chevrolet C20 Suburban Silverado; 1975-1981 Chevrolet C30 Cheyenne; 1981-1986 Chevrolet C30 Custom; 1975-1980 Chevrolet C30 Custom Deluxe; 1981 Chevrolet C30 Deluxe; 1975-1986 Chevrolet C30 Scottsdale; 1975-1986 Chevrolet C30 Silverado; 1968-1974 Chevrolet C30 Pickup Base; 1988-1990 Chevrolet C3500 Cheyenne; 1988-1990 Chevrolet C3500 Scottsdale; 1988-1990 Chevrolet C3500 Silverado; 1967-1972 Chevrolet Camaro Base; 1967-1969 Chevrolet Camaro RS; 1967-1972 Chevrolet Camaro SS; 1972 Chevrolet Camaro Z28; 1966-1972 Chevrolet Caprice Base; 1973-1976 Chevrolet Caprice Classic; 1976 Chevrolet Caprice Classic Estate; 1976 Chevrolet Caprice Classic Landau; 1975-1976 Chevrolet Caprice Classic Sport; 1973-1974 Chevrolet Caprice Estate; 1975 Chevrolet Caprice Estate Wagon; 1968 Chevrolet Chevelle 300; 1968-1969 Chevrolet Chevelle 300 Deluxe; 1965-1972 Chevrolet Chevelle Base; 1967-1972 Chevrolet Chevelle Concours; 1969-1972 Chevrolet Chevelle Concours Estate; 1967-1973 Chevrolet Chevelle Deluxe; 1969-1972 Chevrolet Chevelle Greenbrier; 1968-1972 Chevrolet Chevelle Malibu; 1968-1972 Chevrolet Chevelle Nomad; 1965-1972 Chevrolet Chevelle SS; 1968 Chevrolet Chevy II Nova; 1965-1974 Chevrolet Corvette Base; 1966-1975 Chevrolet El Camino Base; 1968-1974 Chevrolet El Camino Custom; 1968-1974 Chevrolet El Camino SS; 1969-1970 Chevrolet Estate Base; 1973-1974 Chevrolet G10 Van Base; 1976 Chevrolet G20 Beauville; 1976 Chevrolet G20 Chevy Van; 1973-1974 Chevrolet G20 Van Base; 1973-1974 Chevrolet G20 Van Sportvan; 1975-1990 Chevrolet G30 Beauville; 1975-1990 Chevrolet G30 Chevy Van; 1975-1990 Chevrolet G30 Hi-Cube; 1988-1990 Chevrolet G30 Sportvan; 1973-1974 Chevrolet G30 Van Base; 1965-1976 Chevrolet Impala Base; 1975-1976 Chevrolet Impala Custom; 1976 Chevrolet Impala Custom Landau; 1976 Chevrolet Impala S; 1975-1976 Chevrolet Impala Sport; 1965-1967 Chevrolet Impala SS; 1976-1980 Chevrolet K10 Cheyenne; 1976-1980 Chevrolet K10 Custom Deluxe; 1976-1980 Chevrolet K10 Scottsdale; 1976-1980 Chevrolet K10 Silverado; 1968-1974 Chevrolet K10 Pickup Base; 1968-1974 Chevrolet K10 Suburban Base; 1976-1978 Chevrolet K20 Cheyenne; 1976-1978 Chevrolet K20 Custom Deluxe; 1976-1978 Chevrolet K20 Scottsdale; 1976-1978 Chevrolet K20 Silverado; 1968-1974 Chevrolet K20 Pickup Base; 1968-1974 Chevrolet K20 Suburban Base; 1985 Chevrolet K20 Suburban Custom; 1985 Chevrolet K20 Suburban Scottsdale; 1985 Chevrolet K20 Suburban Silverado; 1977-1981 Chevrolet K30 Cheyenne; 1981-1986 Chevrolet K30 Custom; 1977-1980 Chevrolet K30 Custom Deluxe; 1981 Chevrolet K30 Deluxe; 1977-1986 Chevrolet K30 Scottsdale; 1977-1986 Chevrolet K30 Silverado; 1968-1974 Chevrolet K30 Pickup Base; 1988-1990 Chevrolet K3500 Cheyenne; 1988-1990 Chevrolet K3500 Scottsdale; 1988-1990 Chevrolet K3500 Silverado; 1976 Chevrolet K5 Blazer Base; 1976-1978 Chevrolet K5 Blazer Cheyenne; 1977-1978 Chevrolet K5 Blazer Custom Deluxe; 1978 Chevrolet K5 Blazer Silverado; 1969-1972 Chevrolet Kingswood Base; 1969-1972 Chevrolet Kingswood Estate; 1973-1975 Chevrolet Laguna Base; 1973 Chevrolet Laguna Estate; 1975 Chevrolet Laguna S3; 1974 Chevrolet Laguna Type S-3; 1965-1974 Chevrolet Malibu Base; 1974-1975 Chevrolet Malibu Classic; 1973-1974 Chevrolet Malibu Estate; 1970-1974 Chevrolet Monte Carlo Base; 1973-1974 Chevrolet Monte Carlo Landau; 1973-1975 Chevrolet Monte Carlo S; 1969-1972 Chevrolet Nova Base; 1973 Chevrolet P10 Van Base; 1976-1979 Chevrolet P20 Base; 1976-1979 Chevrolet P20 Step-Van; 1970-1973 Chevrolet P20 Van Base; 1975-1990 Chevrolet P30 Base; 1975-1990 Chevrolet P30 Step-Van; 1970-1974 Chevrolet P30 Van Base; 1988 Chevrolet R20 Cheyenne; 1987-1988 Chevrolet R20 Custom Deluxe; 1987-1988 Chevrolet R20 Scottsdale; 1987-1988 Chevrolet R20 Silverado; 1987 Chevrolet R20 Suburban Custom Deluxe; 1987-1988 Chevrolet R20 Suburban Scottsdale; 1987-1988 Chevrolet R20 Suburban Silverado; 1989 Chevrolet R2500 Cheyenne; 1989 Chevrolet R2500 Scottsdale; 1989 Chevrolet R2500 Silverado; 1989-1990 Chevrolet R2500 Suburban Scottsdale; 1989-1990 Chevrolet R2500 Suburban Silverado; 1988 Chevrolet R30 Cheyenne; 1987-1988 Chevrolet R30 Custom Deluxe; 1987-1988 Chevrolet R30 Scottsdale; 1987-1988 Chevrolet R30 Silverado; 1989-1990 Chevrolet R3500 Cheyenne; 1989-1990 Chevrolet R3500 Scottsdale; 1989-1990 Chevrolet R3500 Silverado; 1969-1972 Chevrolet Townsman Base; 1987 Chevrolet V20 Suburban Custom Deluxe; 1987-1988 Chevrolet V20 Suburban Scottsdale; 1987-1988 Chevrolet V20 Suburban Silverado; 1990 Chevrolet V2500 Suburban Scottsdale; 1990 Chevrolet V2500 Suburban Silverado; 1988 Chevrolet V30 Cheyenne; 1987-1988 Chevrolet V30 Custom Deluxe; 1987-1988 Chevrolet V30 Scottsdale; 1987-1988 Chevrolet V30 Silverado; 1989-1990 Chevrolet V3500 Cheyenne; 1989-1990 Chevrolet V3500 Scottsdale; 1989-1990 Chevrolet V3500 Silverado; 1975-1978 GMC C15 Base; 1977-1978 GMC C15 Heavy Half; 1975-1978 GMC C15 High Sierra; 1977 GMC C15 Indy Hauler; 1975-1978 GMC C15 Sierra Classic; 1975-1978 GMC C15 Sierra Grande; 1978 GMC C15 Street Coupe; 1975-1978 GMC C15 Suburban Base; 1975-1978 GMC C15 Suburban High Sierra; 1975-1978 GMC C15 Suburban Sierra Classic; 1975-1978 GMC C15 Suburban Sierra Grande; 1968-1974 GMC C15/C1500 Pickup Base; 1968-1974 GMC C15/C1500 Suburban Base; 1979-1980 GMC C1500 Base; 1979-1980 GMC C1500 Heavy Half; 1979-1980 GMC C1500 High Sierra; 1979-1980 GMC C1500 Sierra Classic; 1979-1980 GMC C1500 Sierra Grande; 1979-1980 GMC C1500 Street Coupe; 1979-1980 GMC C1500 Suburban Base; 1979-1980 GMC C1500 Suburban High Sierra; 1979-1980 GMC C1500 Suburban Sierra Classic; 1979-1980 GMC C1500 Suburban Sierra Grande; 1975-1978 GMC C25 Base; 1975-1978 GMC C25 High Sierra; 1975-1978 GMC C25 Sierra Classic; 1975-1978 GMC C25 Sierra Grande; 1975-1978 GMC C25 Suburban Base; 1975-1978 GMC C25 Suburban High Sierra; 1975-1978 GMC C25 Suburban Sierra Classic; 1975-1978 GMC C25 Suburban Sierra Grande; 1968-1974 GMC C25/C2500 Pickup Base; 1968-1974 GMC C25/C2500 Suburban Base; 1979-1986 GMC C2500 Base; 1979-1986 GMC C2500 High Sierra; 1979-1986 GMC C2500 Sierra Classic; 1979-1982 GMC C2500 Sierra Grande; 1979-1986 GMC C2500 Suburban Base; 1979-1986 GMC C2500 Suburban High Sierra; 1979-1986 GMC C2500 Suburban Sierra Classic; 1979-1982 GMC C2500 Suburban Sierra Grande; 1975-1978 GMC C35 Base; 1975-1978 GMC C35 High Sierra; 1975-1978 GMC C35 Sierra Classic; 1975-1978 GMC C35 Sierra Grande; 1968-1974 GMC C35/C3500 Pickup Base; 1979-1986 GMC C3500 Base; 1979-1986 GMC C3500 High Sierra; 1988-1990 GMC C3500 Sierra; 1979-1986 GMC C3500 Sierra Classic; 1979-1982 GMC C3500 Sierra Grande; 1988-1990 GMC C3500 Sierra SLE; 1988-1990 GMC C3500 Sierra SLX; 1975-1976 GMC G25 Rally; 1975-1976 GMC G25 Rally STX; 1976 GMC G35 Magnavan; 1974 GMC G35/G3500 Van Base; 1973-1974 GMC G35/G3500 Van Rally; 1973-1974 GMC G35/G3500 Van Vandura; 1988-1990 GMC G3500 Magnavan; 1989-1990 GMC G3500 Rally; 1989-1990 GMC G3500 Rally Camper Special; 1989-1990 GMC G3500 Rally STX; 1989-1990 GMC G3500 Vandura; 1989-1990 GMC G3500 Vandura Special; 1973-1976 GMC Jimmy Base; 1976 GMC Jimmy High Sierra; 1976 GMC Jimmy Sierra Classic; 1976 GMC Jimmy Sierra Grande; 1976 GMC K15 Base; 1976 GMC K15 High Sierra; 1976 GMC K15 Sierra Classic; 1976 GMC K15 Sierra Grande; 1968-1974 GMC K15/K1500 Pickup Base; 1968-1974 GMC K15/K1500 Suburban Base; 1980 GMC K1500 Base; 1980 GMC K1500 High Sierra; 1980 GMC K1500 Sierra Classic; 1980 GMC K1500 Sierra Grande; 1976-1978 GMC K25 Base; 1976-1978 GMC K25 High Sierra; 1976-1978 GMC K25 Sierra Classic; 1976-1978 GMC K25 Sierra Grande; 1976-1977 GMC K25 Suburban Base; 1976-1977 GMC K25 Suburban High Sierra; 1976-1977 GMC K25 Suburban Sierra Classic; 1976-1977 GMC K25 Suburban Sierra Grande; 1968-1974 GMC K25/K2500 Pickup Base; 1968-1974 GMC K25/K2500 Suburban Base; 1968-1974 GMC K35/K3500 Pickup Base; 1979-1986 GMC K3500 Base; 1979-1986 GMC K3500 High Sierra; 1988-1990 GMC K3500 Sierra; 1979-1986 GMC K3500 Sierra Classic; 1979-1982 GMC K3500 Sierra Grande; 1988-1990 GMC K3500 Sierra SLE; 1988-1990 GMC K3500 Sierra SLX; 1979 GMC P1500 Base; 1979 GMC P1500 Value Van; 1970-1971 GMC P25/P2500 Van Base; 1975-1978 GMC P35 Base; 1975-1978 GMC P35 Value Van; 1970-1974 GMC P35/P3500 Van Base; 1974 GMC P35/P3500 Van Motorhome; 1979-1990 GMC P3500 Base; 1979-1990 GMC P3500 Value Van; 1987-1989 GMC R2500 Base; 1987-1989 GMC R2500 High Sierra; 1987-1989 GMC R2500 Sierra Classic; 1987-1990 GMC R2500 Suburban Base; 1987 GMC R2500 Suburban High Sierra; 1987-1989 GMC R2500 Suburban Sierra Classic; 1990 GMC R2500 Suburban SLE; 1987-1990 GMC R3500 Base; 1987-1989 GMC R3500 High Sierra; 1987-1989 GMC R3500 Sierra Classic; 1990 GMC R3500 SLE; 1971-1975 GMC Sprint Base; 1975 GMC Sprint Classic; 1972-1974 GMC Sprint Custom; 1975 GMC Sprint High Sierra; 1975 GMC Sprint SP; 1987-1990 GMC V3500 Base; 1987-1989 GMC V3500 High Sierra; 1987-1989 GMC V3500 Sierra Classic; 1990 GMC V3500 SLE

We are an authorized retailer for all Flowtech products. The standard manufacturer warranty applies. If you ever have manufacturer warranty concerns or questions on products you purchased from us, we can help! We are a family owned and operated company that values all of our customers. We are here to assist with all future warranty concerns!