Product Summary

283, 302, 305, 307, 327, 350, 377, 383, 395, 400, Raw

    Key Specs

    MFG. Part #68340
    BrandHedman Hedders
    Header Tube TypeFull-length
    Material TypeSteel

    Need To Know

    This Product Will Ship Free

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    Fits small block Chevy V8 with automatic or manual transmissions. 

    • Uncoated, full length mandrel bent headers
    • Mounts 283-400 S/B Chevy and LT1
    • Designed for use with TH-350 automatic trans

    Note: Will not fit angle plug heads, power steering, power brakes, air conditioning or a Powerglide transmission.

    Item Details

    1-5/8" primaries, 3" collector


    CARB Warning

    For race/ off road use only

    Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. 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.


    MFG. Part #68340
    BrandHedman Hedders
    Header Tube TypeFull-length
    Material TypeSteel
    Flange StyleStandard
    Primary Tube Diameter1-5/8"
    Collector Diameter3 Inch
    Collector Length10.25"
    Flange Thickness.25"
    Port Height1.47"
    Port Width1.47"
    Drivers Side Dimension A12.46"
    Drivers Side Dimension B16.55"
    Drivers Side Dimension C34.50"
    Passenger Side Dimension A11.85"
    Passenger Side Dimension B18.00"
    Passenger Side Dimension C34.00"
    Hardware IncludedYes
    Gasket(s) IncludedYes
    Sold in QuantityPair
    GTIN Code732611683401
    Collector Attachment Type3-bolt flange
    Collector Reducers IncludedNo