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Flowtech 31112

Long Tube Headers

Flowtech 31112

387-31112

made in usa
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Flowtech 31112 Long Tube Headers $324.95
Long Tube Headers
  • 1955-1957 Chevy Full-Size Car 265-400
  • 1.625'' Tube
  • 3'' Collector
  • Ceramic Coated

  • Flowtech 31112 Details

    GM Cars

  • Will Not Fit Convertible Models
  • Will Not Fit Angle Plug Heads

  • Specifications:

    Application
    Automotive
    Tube Direction
    Down Swept
    Gaskets Included
    Yes
    Header Finish
    Silver ceramic coated
    Header Material
    Steel
    Header Style
    Full-length
    Motor Mounts Included
    No
    Tuned
    No
    Bolts/Studs Included
    Yes
    Catalytic Converter(s) Included
    No
    Cross Over Pipe Included
    No
    Reducers Included
    Yes
    Transmission Mount Included
    No
    Weld-Up
    No
    Primary Tube Diameter (in.)
    1 5/8
    Quantity
    Sold as a pair
    Primary Tube Gauge
    18-gauge
    Flange Style
    Standard
    Collector Attachment
    3-bolt flange
    Collector Diameter (in.)
    3
    Manufacturer's Part Number:
    31112

    Performance Plus Fuel Economy at a Price You Can Afford!

    These headers are made of 16-gauge tubing that's welded to O-ring port exhaust flanges on one end and mandrel-formed collectors on the other. You get a premium performance-minded design with a budget-minded attitude!




    Features
  • 16-gauge (.049" thick) cold-rolled mild steel (except stainless steel were noted)
  • Precision engineered for performance, fuel economy, and fit
  • Mandrel-formed plenum increases flow for more power
  • Leakproof O-ring port seals quality tested by FlowTech
  • Finished with black paint or ceramic coating, polished available for some applications

  • Does Flowtech 31112 fit your vehicle?

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    Liter

    1955-1957 CHEVROLET BEL AIR

    • CC: 4343
    • Liter: 4.3
    • SubModel: NOMAD
    • CUI: 265
    • EngineType: V8 ( 4.3 L / 265 )

    1955-1957 CHEVROLET BEL AIR

    • CC: 4343
    • Liter: 4.3
    • SubModel: BASE
    • CUI: 265
    • EngineType: V8 ( 4.3 L / 265 )

    1955-1956 CHEVROLET BEL AIR

    • CC: 4343
    • Liter: 4.3
    • SubModel: BEAUVILLE
    • CUI: 265
    • EngineType: V8 ( 4.3 L / 265 )

    1957 CHEVROLET BEL AIR

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1957 CHEVROLET BEL AIR

    • Liter: 4.6
    • SubModel: NOMAD
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )
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