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    • Hedman Hedders HTC Coated Headers; 1-3/4 in. Tube Dia.; 3 in. Coll.; FULL LENGTH Design 66104
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    Hedman Hedders HTC Coated Headers; 1-3/4 in. Tube Dia.; 3 in. Coll.; FULL LENGTH Design 66104

    Vendor: Hedman Hedders
    Part Number: 66104
    Regular Price $1,626.80

    Currently out of stock.

    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
    Free Shipping on Orders Over $99 | Excludes freight shipments
    International Shipping Available: email sales@berryperformancesales.com for a quote.
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    HTC Coated Headers; 1-3/4 in. Tube Dia.; 3 in. Coll.; FULL LENGTH Design


    Hedman Hedders HTC Coated Headers; 1-3/4 in. Tube Dia.; 3 in. Coll.; FULL LENGTH Design 66104


    Specifications:

    Description_DEF [B@2205bf37
    Description_DES [B@7b31940a
    Description_EXT [B@209d7ed9
    Description_FAB [B@3e86401f
    Description_FAB [B@3175acff
    Description_FAB [B@4693ef1f
    Description_FAB [B@d332aa2
    Description_FAB [B@13915a3
    Description_FAB [B@1d37432f
    Description_INV [B@4485ac81
    Description_SHO [B@5077e889
    Title HEDMAN HEDDERS HTC COATED HEADERS; 1-3/4 IN. TUBE DIA.; 3 IN. COLL.; FULL LENGTH DESIGN
    Header Finish HTC Polished Silver Ceramic-Metallic
    Cylinder Head Port Shape Rectangle
    Cylinder Head Stock Profile Heads
    Header Construction MILD STEEL- Standard-Duty
    Replacement Gasket 27560
    Replacement Head Flange Gasket 27560
    California Proposition 65 WARNING: Cancer & Reproductive Harm. For more info visit www.P65Warnings.ca.gov
    Variations 65104
    Tube Material Thickness 16g
    Tube Style Long Tubes
    Air Conditioning Yes
    Automatic Transmission - Column Yes
    Automatic Transmission - Floor Yes
    Manual Transmission - Column No
    Manual Transmission - Floor Yes
    Tube Length Long Tubes
    Material Mild Steel
    Tube Design Standard
    Tube Diameter 1-3/4 in.
    Mounting Hardware Included Yes
    with A.I.R. System No
    with EGR No
    Weld-Up No
    Tuned No
    Bolts/Studs Included Yes
    Catalytic Converter(s) Included No
    Collector Bolts Included Yes
    Crossover Pipe Included No
    Gasket Or Seal Included Yes
    Header Fasteners Included Yes
    Installation Hardware Included Yes
    Motor Mounts Included No
    Reducers Included Yes
    Tube Size 1-3/4 in.
    Y-Pipe Included No
    Quantity Sold as a pair.
    Primary Tube Gauge 16g
    Primary Tube Diameter (in) 1.75 in.
    Package Contents Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware
    Header Material Mild Steel
    Flange Thickness 0.3125 in.
    Footnotes 103. Will fit angle plug heads ( Chevy Aluminum L98 Profile Only)
    Exhaust System Dia 2-1/2 in.
    Reducer Outlet Size 2-1/2 in.
    Collector Attachment 3 in.
    Collector Diameter 3 in.
    Collector Size 3 in.
    Notes 70-81 Camaro, 75-79 Nova 283-400
    Collector Style BALL and SOCKET Style (Gasketless)
    Contents Header(s), new bolts, gasket(s) to head, reducer(s) and hardware, instructions
    Finish HTC Polished Silver Ceramic-Metallic
    Finish Type HTC SILVER (polished) Ceramic-metallic Coating
    Header Style Long Tube
    E.O. # No
    Emissions Notes Not Legal For Street Use on '75-Later Model Years! Legal for off-road use only.
    Header Port Shape Rectangle
    Port Shape Rectangle
    Flange Style Standard
    Key Feature Without A.I.R.
    Power Steering Yes


    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    Read the full Shipping Policy

    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

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