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Product Summary

Long Tube Header Tube Type, Oval Exhaust Port Shape

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    Key Specs

    MFG. Part #D350
    Header Tube TypeLong Tube
    Exhaust Port ShapeOval
    Flange StyleStandard
    Primary Tube Diameter1-5/8"
    See more specs

    Need To Know

    Quick and Easy Returns

    Return Policy

    Dougs Headers D350 Details

    Doug's PASSENGER CAR HEADERS Long Tube Metallic Ceramic CoatedHeader 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 Metallic Ceramic Thermal Barrier Coating polished to a high luster appearance offering corrosion and heat resistance up to 1400 degrees
    • Doug's Headers D350 1 5/8" 4-Tube Full Length Header Chevrolet Corvette Small Block Chevrolet 63-74 Metallic Ceramic Coating
    • Ceramic Coated
    • Collector: 3
    • Port: OVL
    • Primary: 1 5/8
    • exc. states w/Calif. emission stds
    • Fits D-Port heads
    • req. left side AC bracket H7608
    • removal or modification of locking steering column reqd.
    • with Floor Shifter
    • with A/C
    • For Off-Road Use Only
    • Doug's Headers D350 1 5/8" 4-Tube Full Length Header Chevrolet Corvette Small Block Chevrolet 63-74 Metallic Ceramic Coating
    • Ceramic Coated
    • Collector: 3
    • Port: OVL
    • Primary: 1 5/8
    • exc. states w/Calif. emission stds
    • Fits D-Port heads
    • req. left side AC bracket H7608
    • removal or modification of locking steering column reqd.
    • with Floor Shifter
    • with A/C
    • For Off-Road Use Only

    Application

    1963-1968 Chevrolet Corvette 5.3L/327 V8
    1969-1974 Chevrolet Corvette 5.7L/350 V8

    Charts

    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.

    Dougs Headers D350 Specifications

    KEY SPECS
    MFG. Part #D350
    BrandDougs Headers
    Header Tube TypeLong Tube
    Exhaust Port ShapeOval
    Flange StyleStandard
    Primary Tube Diameter1-5/8"
    Material TypeSteel
    ColorSilver
    Weld-UpNo
    Collector Diameter3 Inch
    FinishCeramic Coated
    Hardware IncludedYes
    Gasket(s) IncludedYes
    GENERAL
    Sold in QuantityPair
    GTIN Code694342509026

    Fitment

    • Gen 1 L05 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L79 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • 327 Chevy Small Block V8

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L05 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L79 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L79 Small Block Chevy

    • Gen 1 L76 Small Block Chevy

    • Gen 1 L79 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L83 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L98 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L79 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 2 LT1 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L79 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • 327 Chevy Small Block V8

    • 2-Piece Rear Main Chevy 350

    • 327 Chevy Small Block V8

    • 2-Piece Rear Main Chevy 350

    • Vortec L31 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Vortec L31 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 327 Chevy Small Block V8

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 327 Chevy Small Block V8

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L05 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L05 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

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • 327 Chevy Small Block V8

    • 327 Chevy Small Block V8

    • 327 Chevy Small Block V8

    • 327 Chevy Small Block V8

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • 327 Chevy Small Block V8

    • 327 Chevy Small Block V8

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • 327 Chevy Small Block V8

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Vortec L31 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 LM1 Small Block Chevy

    • Gen 1 L76 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L76 Small Block Chevy

    • 350 Chevy Small Block V8

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • 350 Chevy Small Block V8

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • 350 Chevy Small Block V8

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • 350 Chevy Small Block V8

    • Vortec L31 Small Block Chevy

    Customer Impersonation Script