Overview:Flowtech Headers are the perfect combination of quality and value. These Big Block Chevy Upright headers available in 2-1/4" tube diameters are ideal for even big cubic inch Big Block Chevy enginesFeatures: CNC Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increases the cylinder scavenging effect and improves engine breathing Heavy duty 16-gauge 409SS tubing for increased strength and durability 2-1/4” tubing diameter for increased exhaust flow increasing performance and improved throttle response Extended 4” collector for maximum strength and exhaust flow Extra thick 7/16” header flange for a leak-free seal and maximum strength Welded-in collector merge spears to control exhaust gas re-entry into primary tubes Center of exhaust port to end of collector length is 33-1/2" Application: 1975-1995 Chevrolet G30 1968-1986 Chevrolet C20 Suburban 1968-1985 Chevrolet K20 Suburban 1979-1995 GMC C2500 Suburban 1979-1995 GMC C2500 1979-1995 GMC C3500 1979-1995 GMC K3500 1968-1980 Chevrolet C10 Suburban 1975-1986 Chevrolet C20 1975-1986 Chevrolet C30 1967-1976 Chevrolet Caprice 1967-1976 Chevrolet Impala 1977-1986 Chevrolet K30 1967-1975 Chevrolet Bel Air 1967-1975 Chevrolet El Camino 1967-1975 Chevrolet Malibu 1967-1974 Chevrolet Corvette 1988-1995 GMC G3500 1988-1995 Chevrolet C3500 1988-1995 Chevrolet K3500 1968-1974 Chevrolet K20 Pickup 1968-1974 Chevrolet K30 Pickup 1968-1974 GMC C15/C1500 Pickup 1968-1974 GMC C15/C1500 Suburban 1968-1974 Chevrolet C20 Pickup 1968-1974 Chevrolet K10 Pickup 1968-1974 Chevrolet K10 Suburban 1968-1974 Chevrolet C30 Pickup 1967-1973 Chevrolet Chevelle 1968-1974 GMC C25/C2500 Pickup 1968-1974 GMC C25/C2500 Suburban 1968-1974 GMC C35/C3500 Pickup 1968-1974 GMC K15/K1500 Pickup 1968-1974 GMC K15/K1500 Suburban 1968-1974 GMC K25/K2500 Pickup 1968-1974 GMC K25/K2500 Suburban 1968-1974 GMC K35/K3500 Pickup 1968-1974 Chevrolet C10 Pickup 1975-1980 Chevrolet C10 1970-1975 Chevrolet Monte Carlo 1967-1972 Chevrolet Camaro 1967-1972 Chevrolet Biscayne 1991-1995 GMC K2500 1976-1980 Chevrolet K10 1991-1995 Chevrolet K2500 1991-1995 Chevrolet C2500 1987-1991 GMC R2500 Suburban 1987-1991 GMC R3500 1971-1975 GMC Sprint 1987-1991 GMC V3500 1990-1993 Chevrolet C1500 1969-1972 Chevrolet Kingswood 1975-1978 GMC C25 Suburban 1975-1978 GMC C35 1973-1976 GMC Jimmy 1992-1995 GMC K2500 Suburban 1992-1995 Chevrolet C2500 Suburban 1992-1995 Chevrolet K2500 Suburban 1975-1978 GMC C15 1975-1978 GMC C15 Suburban 1975-1978 GMC C25 1969-1972 Chevrolet Townsman 1969-1972 Chevrolet Brookwood 1992-1995 Chevrolet C3500HD 1976-1978 Chevrolet K5 Blazer 1989-1991 Chevrolet R2500 Suburban 1989-1991 Chevrolet R3500 1989-1991 Chevrolet V3500 1976-1978 GMC K25 1976-1978 Chevrolet K20 1973-1975 Chevrolet Laguna 1987-1989 GMC R2500 1987-1988 Chevrolet R20 1987-1988 Chevrolet R20 Suburban 1987-1988 Chevrolet R30 1987-1988 Chevrolet V20 Suburban 1987-1988 Chevrolet V30 1975-1976 GMC G25 1976-1977 GMC K25 Suburban 1973-1974 Chevrolet G10 Van 1973-1974 Chevrolet G20 Van 1973-1974 Chevrolet G30 Van 1979-1980 GMC C1500 1979-1980 GMC C1500 Suburban 1973-1974 GMC G35/G3500 Van 1969-1970 Chevrolet Nova 1973-1974 Chevrolet Blazer 1969-1970 Chevrolet Estate 1989 Chevrolet R2500 1990 Chevrolet V2500 Suburban 1976 GMC G35 1976 GMC K15 1980 GMC K1500 1976 Chevrolet G20 1968 Chevrolet Chevy II Specs: Application Big Block Chevy Brand Flowtech Collector Diameter 4.00 inch Emission Code 4 Engine Big Block Chevy Finish Natural Header Finish Natural Header Style Upright Primary Tube Dia. 2-1/4 inch Product Type Headers Tube Material 409 Stainless Steel Warning California Proposition 65
