Product Summary

Long Tube Header Tube Type, Standard Flange Style

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    Key Specs

    MFG. Part #D324-B
    Header Tube TypeLong Tube
    Flange StyleStandard
    Primary Tube Diameter1-3/4"
    Material TypeSteel
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    Need To Know

    Quick and Easy Returns

    Return Policy

    Doug's Headers D324-B Details

    Doug's PASSENGER CAR HEADERS Long Tube Hi-Temp Black Coated Header development and design is complex and requires a substantial amount of time and resources to do the job right! Many manufacturers are unwilling to make the commitment and instead offer compromised headers at lower prices. Doug's will not compromise performance, quality or fit to compete with inferior designs at cheap prices. Every Doug's header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Doug's headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.

    • 3/8" Thick machined flanges...no warping
    • CNC mandrel bent tubes... accurate fit & better flow
    • Precision formed long transition collectors and long tube design... reduces backpressure and increases higher RPM horsepower
    • Heavy 16 gauge tubing...longer life
    • Tubes are pre-polished to remove scratches and the header isfinished with a Hi-Temp Black Coating
    • Doug's Headers D324-B 1 3/4" 4-Tube Full Length Header Camaro Small Block Chevrolet 70-81 Hi-Temp Black Coating
    • Raw Steel
    • Collector: 3
    • Port: SAP
    • Primary: 1 3/4
    • exc. states w/Calif. emission stds
    • use left side AC bracket H7608
    • vehicles W/ short compressors can use stock bracket
    • Reducers avail. W/ O2 sensor fitting
    • vehicles with short compressors can use stock bracket
    • Reducers avail. with O2 sensor fitting
    • Requires left side A/C bracket P/N H7608
    • with A/C
    • For Off-Road Use Only
    • with Floor Shifter
    • Doug's Headers D324-B 1 3/4" 4-Tube Full Length Header Camaro Small Block Chevrolet 70-81 Hi-Temp Black Coating
    • Raw Steel
    • Collector: 3
    • Port: SAP
    • Primary: 1 3/4
    • exc. states w/Calif. emission stds
    • use left side AC bracket H7608
    • vehicles W/ short compressors can use stock bracket
    • Reducers avail. W/ O2 sensor fitting
    • vehicles with short compressors can use stock bracket
    • Reducers avail. with O2 sensor fitting
    • Requires left side A/C bracket P/N H7608
    • with A/C
    • For Off-Road Use Only
    • with Floor Shifter

    Application

    1980-1981 Chevrolet Camaro 4.4L/267 V8
    1970-1981 Chevrolet Camaro 5.7L/350 V8
    1976-1981 Chevrolet Camaro 5L/305 V8
    1970-1973 Chevrolet Camaro 5L/307 V8
    1975-1979 Chevrolet Nova 5.7L/350 V8
    1976-1978 Chevrolet Nova 5L/305 V8

    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.

    Doug's Headers D324-B Specifications

    KEY SPECS
    MFG. Part #D324-B
    BrandDoug's Headers
    Header Tube TypeLong Tube
    Flange StyleStandard
    Primary Tube Diameter1-3/4"
    Material TypeSteel
    ColorBlack
    Weld-UpNo
    Collector Diameter3 Inch
    FinishHi-Temp Black
    Hardware IncludedYes
    Gasket(s) IncludedYes
    GENERAL
    Sold in QuantityPair
    GTIN Code694342543938

    Ratings & Reviews

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    1 Review

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    1 reviews

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    Not guaranteed to fit

    1.0

    4 years ago

    Dave

    Green Bay, wi

    Item says guaranteed to fit. Not so much! I had to make multiple modifications. Had to remove 2 body braces. The reverse shifter rod was right in the way. I had to bend it to make it fit. I previously had hooker headers in the car and they fit fine. I thought I wanted to spend a little more and get a higher quality header.Also these headers are longer, had to cut exhaust pipes to fit. A lot of extra work and frustration.

    Would Not Recommend

    Showing 1 of 1 reviews

    Questions & Answers

    Fitment

    • Gen 1 L14 Small Block Chevy

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    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 267

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 267

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 267

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 267

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 267

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 267

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 267

    • 2-Piece Rear Main Chevy 267

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

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