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Product Summary

265, 283, 305, 327, 350, Long Tube Header Tube Type

    Key Specs

    Header Tube TypeLong Tube
    Exhaust Port ShapeRound
    Flange StyleStandard
    Primary Tube Diameter1-5/8"
    Material TypeSteel

    Need To Know

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    Return Policy

    Patriot Exhaust H8025-1 Details

    Coated Tri-5 Header for Chevy SB (55-57) Passenger Car, Wagon & Nomad

    Our popular 55-57 Chevy passenger car headers for small or big block swaps offer superior performance and fit. These headers accommodate the GM 605 power steering box conversion and fit most motor mounts. Extra ground clearance makes "slammed" cars drivable and above frame rail exhaust system installation easy. Available in a raw finish for individual customizing or with Patriots metallic ceramic coating. Please see our online catalog for specific information like tube size, port shape and collector size.

    • Durable 18-gauge tubing
    • Comes complete with gaskets, header bolts and collector reducers.
    • Available in three finishes; raw steel for individual customizing, Hi-Temp Black coating or Metallic Ceramic Thermal Barrier coating
    • Limited One Year Warranty
    • Patriot Exhaust H8025-1 1 5/8" Tri-5 Header Chevrolet Passenger Car/Wagon Small Block Chevrolet 55-57 Metallic Ceramic Coating
    • Does not fit angle plug head
    • Fits stk or 605 Strg
    • side eng mounts/rear cross member
    • Use Orig. V8 pitman arm
    • Will not fit if eng 3/4 in+ forward
    • Fits TCI mount kit 725-7005-80 and equiv. Danchuk mounts
    • Will not fit 168 tooth flywheel/kickout starter
    • with A/C
    • Patriot Exhaust H8025-1 1 5/8" Tri-5 Header Chevrolet Passenger Car/Wagon Small Block Chevrolet 55-57 Metallic Ceramic Coating
    • Does not fit angle plug head
    • Fits stk or 605 Strg
    • side eng mounts/rear cross member
    • Use Orig. V8 pitman arm
    • Will not fit if eng 3/4 in+ forward
    • Fits TCI mount kit 725-7005-80 and equiv. Danchuk mounts
    • Will not fit 168 tooth flywheel/kickout starter
    • with A/C

    Application

    1955-1957 Chevrolet Bel Air 4.3L/265 V8
    1957 Chevrolet Bel Air 4.6L/283 V8
    1955-1956 Chevrolet Corvette 4.3L/265 V8
    1957-1961 Chevrolet Corvette 4.6L/283 V8
    1962-1968 Chevrolet Corvette 5.3L/327 V8
    1969-1982 Chevrolet Corvette 5.7L/350 V8
    1980 Chevrolet Corvette 5L/305 V8
    1955-1957 Chevrolet Nomad 4.3L/265 V8
    1957 Chevrolet Nomad 4.6L/283 V8

    Guides & Documents

    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.

    Patriot Exhaust H8025-1 Specifications

    KEY SPECS
    MFG. Part #H8025-1
    BrandPatriot Exhaust
    Header Tube TypeLong Tube
    Exhaust Port ShapeRound
    Flange StyleStandard
    Primary Tube Diameter1-5/8"
    Material TypeSteel
    ColorSilver
    Weld-UpNo
    Collector Diameter2-1/2 Inch
    FinishCeramic Coated
    Hardware IncludedYes
    Gasket(s) IncludedYes
    GENERAL
    Sold in QuantityPair
    GTIN Code694342504410