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Long Tube Header for 1965-1981 GM F & A-Body Big Block Chevy [Silver Ceramic Coated]
InfoVehicle Info Needed
DOUG'S HEADERSPART NUMBER: 776-D313

Long Tube Header for 1965-1981 GM F & A-Body Big Block Chevy [Silver Ceramic Coated]

$87910$976.78You Save$97.68
ShippingShips on Sep 03, 2026
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$35911
Metallic Ceramic Coated Long Tube Headers 1965-1974 Big Block Chevy Passenger Car (396-502 c.i.)

555-300101

Metallic Ceramic Coated Long Tube Headers 1965-1974 Big Block Chevy Passenger Car (396-502 c.i.)

$51999

Big Block Chevy - 1-3/4'' Tube Diameter
Long Tube Header
  • 1965-1981 GM F & A-Body Big Block Chevy
  • 265-350 Big Block Chevy V8
  • 1.75 in. Primary Tubes with 3.0 in. Collector
  • 16-gauge Steel Construction
  • Gaskets Included
  • Silver Ceramic Coated Finish

    This long tube header is engineered to reduce backpressure and improve exhaust flow for enthusiasts, delivering measurable gains over a factory exhaust manifold.

    Construction & Fitment:

    • 1965-1981 GM F & A-Body Big Block Chevy
    • 265-350 Big Block Chevy V8
    • 1.75 in. Primary Tubes with 3.0 in. Collector
    • 16-gauge Steel Construction
    • Gaskets Included
    • Silver Ceramic Coated Finish
    • Part TypeHeader
    BrandDOUG'S HEADERS
    Package Height15.0
    Package Width21.0
    Package Length39.0
    Weight40.1 PG
    Part CategoryPerformance Parts
    PositionN/A
    Header FinishSilver ceramic coated
    QuantitySold as a pair
    Bolts/Studs IncludedYes
    Cylinder Head Port ShapeSAP
    Transmission Mount IncludedNo
    Header MaterialSteel
    Gaskets IncludedYes
    Weld-UpNo
    Brake SystemVarious - Application Specific
    Collector Attachment3-bolt flange
    Flange StyleStandard
    TunedNo
    Collector Diameter3.0 in.
    Motor Mounts IncludedNo
    Part FitmentSemi Universal
    Reducers IncludedYes
    Primary Tube Outside Diameter1.75 in.
    Primary Tube Gauge16-gauge
    Header StyleFull-length
    Cross Over Pipe IncludedNo
    Catalytic Converter(S) IncludedNo
    Primary Tube Diameter1.75 in (44.5 mm)
    Vendor Part NumberD313
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Please click here to download the instructions PDF file

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