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Patriot Exhaust H8020-1

Circle Track Headers 265-400 Small Block Chevy

Patriot Exhaust H8020-1

737-H8020-1

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Patriot Exhaust H8020-1 Circle Track Headers 265-400 Small Block Chevy $354.99
Circle Track Headers
  • 265-400 Small Block Chevy
  • 1-3/4'' Primary Tubes
  • 3-1/2'' Collector
  • Rectangular Port Shape
  • Metallic Ceramic Coated

  • Patriot Exhaust H8020-1 Details

    ICMA Headers

    Fits:

    • All 265-400 Chevy Engines

    Notes:

    • Will fit most angle plug heads.
    • Exits toward front tire.
    • Can be run upside down to gain clearance but will require relocating water temperature sending unit.

    Note: This product is Not legal for Street or Off Highway use in California or in states that have adopted California Emissions Regulations and is only intended for Closed Course Competition use, except 1965 and Older US manufactured California Certified vehicles, 1967 or older US manufactured Federally Certified vehicles, or 1967 and older Foreign manufactured vehicles which may have any aftermarket add-on or modified part installed as long as the vehicle can still meet the tailpipe emission standards for the year of the vehicle and retain any original or retrofit crankcase control (PCV) devices and NOx device required for the year of the vehicle.

    Specifications:

    Gaskets Included
    Yes
    Bolts/Studs Included
    Yes
    Catalytic Converter(s) Included
    No
    Collector Attachment
    Slip fit
    Cross Over Pipe Included
    No
    Cylinder Head Port Shape
    Rectangular
    Header Finish
    Silver ceramic coated
    Header Material
    Steel
    Header Style
    Circle Track 4-1 one-piece
    Motor Mounts Included
    No
    Primary Tube Diameter (in.)
    1 3/4
    Primary Tube Gauge
    18-gauge
    Quantity
    Sold as a pair
    Reducers Included
    No
    Transmission Mount Included
    No
    Tuned
    No
    Weld-Up
    No
    Collector Diameter (in.)
    3.5
    Flange Style
    Standard
    Manufacturer's Part Number:
    H8020-1

    Patriot offers affordable racing headers for many applications in the popular IMCA Modified, Sprint Car, Late Model Sportsman, Street Stock, Mini-Stock and Pony Car classes. Patriot headers use precision machined flanges and lightweight but strong 18 gauge tubing. Mandrel bent primaries and long transition collectors reduce backpressure for increased exhaust velocity. Some applications are available with a stepped pipe design to help broaden the torque curve for better corner acceleration. Available with our optional metallic ceramic thermal barrier coating which is corrosion and heat resistant up to 1600ยบ F providing increased thermal fatigue protection and lower under hood temperatures.

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