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Flowtech Long Tube Headers

Flowtech 12520

387-12520

jegs shipping
FREE Shipping
Ships directly from the manufacturer
Easy Returns
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Lowest Price Guarantee
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Flowtech Long Tube Headers $190.95
Long Tube Headers
  • Ford 351-400M
  • 1977-1979 F-150/F-250/F-350 4WD
  • 1978-1979 Bronco 4WD
  • 1.625'' Tube
  • 3'' Collector
  • Painted Black

  • Flowtech 12520 Details

    Ford Truck/SUV

  • Must modify stock exhaust to retain catalytic converters
  • Will only fit low-boy F-250 manufactured after 2/11/77 (build date is on driver's side door frame)

  • Specifications:

    Application
    Automotive
    Tube Direction
    Down Swept
    Gaskets Included
    Yes
    Header Finish
    Painted
    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:
    12520FLT
    Shipping Weight:
    33.3
    Package Height:
    37.5
    Package Depth:
    19.5
    Package Width:
    9.5

    FlowTech Headers are the perfect combination of quality, performance and value. All Flowtech Headers are sold in pairs and are available in mild steel, 304 or 409 stainless steel with either a natural, painted, ceramic coated or polished finish.

    Does Flowtech 12520 fit your vehicle?

    Narrow Results
    Filter By
    Year
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    Model
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    SubModel
    Filter By
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    Aspiration

    1979 FORD F-350

    • Liter: 6.6
    • SubModel: RANGER
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979 FORD F-150

    • Liter: 5.8
    • Aspiration: N
    • SubModel: RANGER
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1977-1978 FORD F-250

    • Fitment_Note: Will Fit Low Boy Manufactured After 2/1/1977 Only (Located On Door Frame)
    • Liter: 6.6
    • SubModel: NORTHLAND
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1978-1979 FORD BRONCO

    • Liter: 5.8
    • Aspiration: N
    • SubModel: CUSTOM
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1977-1979 FORD F-250

    • Fitment_Note: Will Fit Low Boy Manufactured After 2/1/1977 Only (Located On Door Frame)
    • Liter: 6.6
    • SubModel: RANGER XLT
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1978-1979 FORD BRONCO

    • Liter: 6.6
    • SubModel: RANGER XLT
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1979 FORD F-250

    • Fitment_Note: Will Fit Low Boy Manufactured After 2/1/1977 Only (Located On Door Frame)
    • Liter: 5.8
    • Aspiration: N
    • SubModel: RANGER XLT
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1979 FORD F-350

    • Liter: 5.8
    • Aspiration: N
    • SubModel: RANGER
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1979 FORD F-150

    • Liter: 6.6
    • SubModel: RANGER LARIAT
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1978 FORD F-250

    • Fitment_Note: Will Fit Low Boy Manufactured After 2/1/1977 Only (Located On Door Frame)
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979 FORD F-150

    • Liter: 6.6
    • SubModel: RANGER
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1979 FORD F-250

    • Fitment_Note: Will Fit Low Boy Manufactured After 2/1/1977 Only (Located On Door Frame)
    • Liter: 5.8
    • Aspiration: N
    • SubModel: RANGER
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1978-1979 FORD BRONCO

    • Liter: 6.6
    • SubModel: CUSTOM
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979 FORD F-350

    • Liter: 5.8
    • Aspiration: N
    • SubModel: RANGER XLT
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1978 FORD BRONCO

    • Liter: 6.6
    • SubModel: NORTHLAND
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977 FORD F-250

    • Fitment_Note: Will Fit Low Boy Manufactured After 2/1/1977 Only (Located On Door Frame)
    • Liter: 5.8
    • Aspiration: N
    • SubModel: XLT
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1978-1979 FORD BRONCO

    • Liter: 5.8
    • Aspiration: N
    • SubModel: RANGER XLT
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1979 FORD F-150

    • Liter: 6.6
    • SubModel: CUSTOM
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979 FORD F-350

    • Liter: 6.6
    • SubModel: CUSTOM
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1978 FORD F-250

    • Fitment_Note: Will Fit Low Boy Manufactured After 2/1/1977 Only (Located On Door Frame)
    • Liter: 5.8
    • Aspiration: N
    • SubModel: NORTHLAND
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1979 FORD F-350

    • Liter: 5.8
    • Aspiration: N
    • SubModel: RANGER LARIAT
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1979 FORD F-150

    • Liter: 5.8
    • Aspiration: N
    • SubModel: RANGER XLT
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1979 FORD F-350

    • Liter: 5.8
    • Aspiration: N
    • SubModel: CUSTOM
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1978-1979 FORD F-250

    • Fitment_Note: Will Fit Low Boy Manufactured After 2/1/1977 Only (Located On Door Frame)
    • Liter: 5.8
    • Aspiration: N
    • SubModel: RANGER LARIAT
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1978-1979 FORD F-250

    • Fitment_Note: Will Fit Low Boy Manufactured After 2/1/1977 Only (Located On Door Frame)
    • Liter: 6.6
    • SubModel: RANGER LARIAT
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979 FORD F-150

    • Liter: 5.8
    • Aspiration: N
    • SubModel: RANGER LARIAT
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1979 FORD F-150

    • Liter: 6.6
    • SubModel: RANGER XLT
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979 FORD F-350

    • Liter: 6.6
    • SubModel: RANGER LARIAT
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1978 FORD BRONCO

    • Liter: 5.8
    • Aspiration: N
    • SubModel: NORTHLAND
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1979 FORD F-350

    • Liter: 6.6
    • SubModel: RANGER XLT
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1979 FORD F-250

    • Fitment_Note: Will Fit Low Boy Manufactured After 2/1/1977 Only (Located On Door Frame)
    • Liter: 6.6
    • SubModel: CUSTOM
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977 FORD F-250

    • Fitment_Note: Will Fit Low Boy Manufactured After 2/1/1977 Only (Located On Door Frame)
    • Liter: 6.6
    • SubModel: XLT
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1979 FORD F-250

    • Fitment_Note: Will Fit Low Boy Manufactured After 2/1/1977 Only (Located On Door Frame)
    • Liter: 6.6
    • SubModel: RANGER
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979 FORD F-150

    • Liter: 5.8
    • Aspiration: N
    • SubModel: CUSTOM
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1977-1979 FORD F-250

    • Fitment_Note: Will Fit Low Boy Manufactured After 2/1/1977 Only (Located On Door Frame)
    • Liter: 5.8
    • Aspiration: N
    • SubModel: CUSTOM
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1977-1978 FORD F-250

    • Fitment_Note: Will Fit Low Boy Manufactured After 2/1/1977 Only (Located On Door Frame)
    • Liter: 5.8
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )
    12520 is rated 4.5 out of 5 by 2.
    Rated 5 out of 5 by from Made a Big Difference Made a big difference. Had to modify one tube on the passenger side to clear the frame. Woke the engine up.
    Date published: 2017-05-08
    Rated 4 out of 5 by from Pretty decent Good product. But i did find done gaps where they were welded
    Date published: 2018-01-14
    • y_2018, m_9, d_18, h_3
    • bvseo_bulk, prod_bvrr, vn_bulk_2.0.8
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_2
    • loc_en_US, sid_10001_10001_188216, prod, sort_[SortEntry(order=RATING, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs
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