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Flowtech Standard Headers

387-11530


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Standard Headers
$237.95
$214.15
SAVE $23.80
3 left in stock
Standard Headers
  • Chevy 396-454
  • 1968-81 Chevy/GMC 1/2-Ton & 3/4-Ton 4WD
  • 1968-87 GM 1/2, 3/4, 1-Ton & Blazer/Jimmy 2WD
  • 1973-81 Blazer/Jimmy K5, Suburban 4WD
  • 1973-91 Chevy/GMC Suburban 2WD
  • 1.75'' Tube
  • 3'' Collector
  • Painted Black
  • Free Shipping - Ships
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    11530 is rated 4.7 out of 5 by 3.
    Rated 5 out of 5 by from Fitment 83 c30 454 4x4 4 spd, bolt right up without modification. Driver side was a little tight going in but fell into place once they were in. Still have big oem starter, cleared just fine. No issues with clutch. Passenger side collector dumps pretty well right into the crossmember so the bend was difficult but do able. Hope they last a while.
    Date published: 2018-04-30
    Rated 4 out of 5 by from I bought these to install on my 66 C10 that I swapped a Gen V 454 into. They installed with no problem at all, My only complaint I really have is passenger side collector is aimed slightly down so with my purple hornies installed, I might have to heat it up and try to bend it up. But I have had that same problem with the hooker headers I installed in my 81 K10.
    Date published: 2017-01-16
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    Will they fit 1979 k10 454 swap, stock heads, oil pan kick outs? 

    Asked by: Josh
    The Flowtech 387-11530 header is not pan specific. Clearance will need checked at installation.
    Answered by: jshook
    Date published: 2024-08-26

    Will these fit 1990SS454 2wheel drive C1500

    Asked by: JOns
    The Flowtech 387-11530 header does not fit a '90 SS454 pick up.
    Answered by: jshook
    Date published: 2024-05-28

    Headers for 2006 Silverado LS Extended Cab 5.3

    Asked by: Anonymous
    The Flowtech 387-11530 header does not fit an '06 Silverado.
    Answered by: jshook
    Date published: 2024-03-19

    I have a 1968 C10  converted to a 454. Mounts are standard but I am running aftermarket heads with 1/4” raised exhaust ports.  Will these headers work or another suggestion?   

    Asked by: Jayman
    Flowtech 387-11530 should fit your 68 c10 with 1/4" raised ports
    Answered by: langus
    Date published: 2022-11-14

    Will these fit in a 79 k20 I swapped in a 454 with standard transmission manual clutch?

    Asked by: Red123
    This would be the correct header for your truck.
    Answered by: Jon Jegs Tech
    Date published: 2023-07-28
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