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Doug's Headers D328

Doug's Headers Metallic Ceramic Coated Headers 1968-1974 Big Block Chevy 396-502 1-7/8" Tube Diameter

776-D328

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$745.24
Doug's Headers Metallic Ceramic Coated Headers 1968-1974 Big Block Chevy 396-502 1-7/8" Tube Diameter $745.24
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Metallic Ceramic Coated Headers
  • 1968-1974 Big Block Chevy 396-502
  • 1-7/8'' Tube Diameter
  • 3-1/2'' Collector
  • SAP Port Shape
  • Doug's Headers D328 Details

    Big Block Chevy - 1-7/8'' Tube Diameter

    Fits:
  • 1968-1974 Chevy II, Nova
  • 1967-1969 Chevy Camaro/Pontiac Firebird, T/A Engine Swap

    Emission Code:
  • The product accompanying this document is legal only for off-highway use (except in California or states that have adopted California emission standards), racing use or for use on pre-emission-controlled motor vehicles/motor vehicle engines (pre-1974 domestic vehicles certified to California standards, pre-1974 domestic vehicles certified to federal standards and all pre-1974 foreign vehicles), per the manufacturer's application guide.

    Footnotes:
  • Big block frame stands and motor mounts must be used to insure proper engine location and header fit

    1968-74 Chevy II, Nova:
    AutomaticManual
    A/CP/BP/SColumnFloorColumnFloor
    N Y Y Y Y Y Y

    1967-69 Chevy Camaro/Pontiac Firebird, T/A Engine Swap:
    AutomaticManual
    A/CP/BP/SColumnFloorColumnFloor
    N Y Y Y Y N Y

  • Specifications:

    Brake System
    Power
    Position
    N/A
    Steering System
    Power
    Manufacturer's Part Number:
    D328
    Shipping Weight:
    47.1
    Package Height:
    39.5
    Package Depth:
    23
    Package Width:
    12.5

    Every Doug's Header is Tuned with the Proper Tube Size & Length to Efficiently Remove Exhaust Gasses from Each Cylinder

    Headers feature 3/8'' flanges and 16-gauge tubing on passenger car applications. They include all necessary mounting hardware, collector reducers or connection pipes, premium gaskets and detailed instructions. Headers are available in either a Metallic Ceramic Thermal Barrier Coating or a uncoated raw finish. The Metallic Ceramic Thermal Barrier Coating will withstand up to 1400 degree temperatures! This coating is polished which increases corrosion resistance over 60%!

    Features:
  • Thick Flanges Prevent Warping
  • Stitch Welded Ports for Added Strength
  • Machined Sealing Bead Eliminates Leaks
  • Heavy Gauge Tubing for Longer Life
  • Precision-Formed Collectors Reduce Back Pressure
  • CNC Mandrel-Bent Tubing Provides Accurate Fit & Better Flow

    See More Info for Applications Listing

  • Does Doug's Headers D328 fit your vehicle?

    Narrow Results

    1972  CHEVROLET NOVA

    • Fitment_Note: Collector: 3 1/2 ; Port Shape: SAP; Primary Tube: 1 7/8; Requires Big block frame stands and mounts; legal for off-highway use (exc. in Calif. or states using Calif. emission standards); with: No A/C
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1970-1971  CHEVROLET NOVA

    • Fitment_Note: Collector: 3 1/2 ; Port Shape: SAP; Primary Tube: 1 7/8; Requires Big block frame stands and mounts; legal for off-highway use (exc. in Calif. or states using Calif. emission standards); with: No A/C
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1967  CHEVROLET CAMARO

    • Fitment_Note: Collector: 3 1/2 ; Port Shape: SAP; Primary Tube: 1 7/8; Requires Big block frame stands and mounts; legal for off-highway use (exc. in Calif. or states using Calif. emission standards); with: No A/C
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: RS
    • Engine Vin: -
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1969  CHEVROLET CAMARO

    • Fitment_Note: Collector: 3 1/2 ; Port Shape: SAP; Primary Tube: 1 7/8; Requires Big block frame stands and mounts; legal for off-highway use (exc. in Calif. or states using Calif. emission standards); with: No A/C
    • Liter: 7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: RS
    • Engine Vin: -
    • CUI: 427
    • EngineType: V8 ( 7 L / 427 )

    1970  CHEVROLET NOVA

    • Fitment_Note: Collector: 3 1/2 ; Port Shape: SAP; Primary Tube: 1 7/8; Requires Big block frame stands and mounts; legal for off-highway use (exc. in Calif. or states using Calif. emission standards); with: No A/C
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1969  CHEVROLET CAMARO

    • Fitment_Note: Collector: 3 1/2 ; Port Shape: SAP; Primary Tube: 1 7/8; Requires Big block frame stands and mounts; legal for off-highway use (exc. in Calif. or states using Calif. emission standards); with: No A/C
    • Liter: 7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 427
    • EngineType: V8 ( 7 L / 427 )

    1968  CHEVROLET CHEVY II

    • Fitment_Note: Collector: 3 1/2 ; Port Shape: SAP; Primary Tube: 1 7/8; Requires Big block frame stands and mounts; legal for off-highway use (exc. in Calif. or states using Calif. emission standards); with: No A/C
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: NOVA
    • Engine Vin: -
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1967  PONTIAC FIREBIRD

    • Fitment_Note: Collector: 3 1/2 ; Port Shape: SAP; Primary Tube: 1 7/8; Requires Big block frame stands and mounts; legal for off-highway use (exc. in Calif. or states using Calif. emission standards); with: No A/C
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972  CHEVROLET NOVA

    • Fitment_Note: Collector: 3 1/2 ; Port Shape: SAP; Primary Tube: 1 7/8; Requires Big block frame stands and mounts; legal for off-highway use (exc. in Calif. or states using Calif. emission standards); with: No A/C
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1969  CHEVROLET CAMARO

    • Fitment_Note: Collector: 3 1/2 ; Port Shape: SAP; Primary Tube: 1 7/8; Requires Big block frame stands and mounts; legal for off-highway use (exc. in Calif. or states using Calif. emission standards); with: No A/C
    • Liter: 7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 427
    • EngineType: V8 ( 7 L / 427 )

    1967-1968  PONTIAC FIREBIRD

    • Fitment_Note: Collector: 3 1/2 ; Port Shape: SAP; Primary Tube: 1 7/8; Requires Big block frame stands and mounts; legal for off-highway use (exc. in Calif. or states using Calif. emission standards); with: No A/C
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1967  CHEVROLET CAMARO

    • Fitment_Note: Collector: 3 1/2 ; Port Shape: SAP; Primary Tube: 1 7/8; Requires Big block frame stands and mounts; legal for off-highway use (exc. in Calif. or states using Calif. emission standards); with: No A/C
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1967-1968  PONTIAC FIREBIRD

    • Fitment_Note: Collector: 3 1/2 ; Port Shape: SAP; Primary Tube: 1 7/8; Requires Big block frame stands and mounts; legal for off-highway use (exc. in Calif. or states using Calif. emission standards); with: No A/C
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1967  PONTIAC FIREBIRD

    • Fitment_Note: Collector: 3 1/2 ; Port Shape: SAP; Primary Tube: 1 7/8; Requires Big block frame stands and mounts; legal for off-highway use (exc. in Calif. or states using Calif. emission standards); with: No A/C
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1969  CHEVROLET NOVA

    • Fitment_Note: Collector: 3 1/2 ; Port Shape: SAP; Primary Tube: 1 7/8; Requires Big block frame stands and mounts; legal for off-highway use (exc. in Calif. or states using Calif. emission standards); with: No A/C
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1969  CHEVROLET CAMARO

    • Fitment_Note: Collector: 3 1/2 ; Port Shape: SAP; Primary Tube: 1 7/8; Requires Big block frame stands and mounts; legal for off-highway use (exc. in Calif. or states using Calif. emission standards); with: No A/C
    • Liter: 7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: RS
    • Engine Vin: -
    • CUI: 427
    • EngineType: V8 ( 7 L / 427 )

    1970-1971  CHEVROLET NOVA

    • Fitment_Note: Collector: 3 1/2 ; Port Shape: SAP; Primary Tube: 1 7/8; Requires Big block frame stands and mounts; legal for off-highway use (exc. in Calif. or states using Calif. emission standards); with: No A/C
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1967-1969  CHEVROLET CAMARO

    • Fitment_Note: Collector: 3 1/2 ; Port Shape: SAP; Primary Tube: 1 7/8; Requires Big block frame stands and mounts; legal for off-highway use (exc. in Calif. or states using Calif. emission standards); with: No A/C
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SS
    • Engine Vin: -
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    Items You Need

    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.