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Patriot Exhaust Header Flange Kits


Patriot Exhaust
Patriot Exhaust Header Flange Kits

Product images may differ from actual product appearance.

Patriot precision machined header flange kits are available for many popular engine families. Header flange kits come complete with premium gaskets and header bolts. Choose from our 3/8'' or our weight saving 5/16'' flanges.



Cadillac
  737-H7830
Header Flange Kit
  • Cadillac 425, 500
  • 3/8'' Flange Thickness
  • 1-7/8'' Tube Size
  • Square Port
  • $142.99
    Ships
    in 17-24 days
    Chevy
      737-H7800
    Header Flange Kit
  • Chevy 265-400
  • Inner Flange
  • 5/16'' Flange Thickness
  • SAP
  • $162.99
    Ships
    in 17-24 days
      737-H7831
    Header Flange Kit
  • Chevy 265-400
  • 3/8'' Flange Thickness
  • 1-5/8'' Tube Size
  • Round Port
  • $142.99
    Ships
    in 17-24 days
      737-H7832
    Header Flange Kit
  • Chevy 265-400
  • 3/8'' Flange Thickness
  • 1-3/4'' Tube Size
  • Rectangular Port
  • $103.99
    Ships
    in 17-24 days
      737-H7833
    Header Flange Kit
  • Chevy 265-400
  • Outer Flange
  • 3/8'' Flange Thickness
  • 1-7/8'' - 2'' Tube Size
  • Round Port
  • $142.99
    Ships
    in 17-24 days
      737-H7834
    Header Flange Kit
  • Chevy 348, 409
  • 3/8'' Flange Thickness
  • 2'' Tube Size
  • Rectangular Port
  • $142.99
    Ships
    in 17-24 days
      737-H7861
    Header Flange Kit
  • Chevy 265-400
  • Stainless Steel
  • 5/16'' Flange Thickness
  • 1-5/8'' Tube Size
  • Oval Port
  • $186.99
    Ships
    in 17-24 days
    Patriot Exhaust H7863 - Patriot Exhaust Header Flange Kits
    737-H7863
    Header Flange Kit
  • Chevy 265-400
  • 3/8'' Flange Thickness
  • 1-5/8'' Tube Size
  • Oval Port
  • $41.99
    Ships
    Today
    Patriot Exhaust H7864 - Patriot Exhaust Header Flange Kits
    737-H7864
    Header Flange Kit
  • Chevy 265-400
  • 5/16'' Flange Thickness
  • 1-5/8'' Tube Size
  • Round Port
  • $34.99
    Ships
    Today
      737-H7892
    Header Flange Kit
  • Chevy LS1/LS6
  • 5/16'' Flange Thickness
  • 1-5/8'' - 1-7/8'' Tube Size
  • Round Port
  • $37.99
    Ships
    in 17-24 days
      737-H7893
    Header Flange Kit
  • Chevy LS1/LS6
  • 3/8'' Flange Thickness
  • 1-5/8'' - 1-7/8'' Tube Size
  • Round Port
  • $39.99
    Ships
    Today
      737-H7894
    Header Flange Kit
  • Chevy 265-400
  • 5/16'' Flange Thickness
  • 1-3/4'' Tube Size
  • Oval Port
  • $42.99
    Ships
    in 17-24 days
      737-H7895
    Header Flange Kit
  • Chevy 265-400 Brodix
  • 5/16'' Flange Thickness
  • 1-7/8'' - 2'' Tube Size
  • Round Port
  • $86.99
    Ships
    in 17-24 days
      737-H7896
    Header Flange Kit
  • Chevy 265-400 Brodix
  • 5/16'' Flange Thickness
  • 1-3/4'' - 2'' Tube Size
  • Round Port
  • $86.99
    Ships
    in 17-24 days
      737-H7899
    Header Flange Kit
  • Chevy 396-502
  • 3/8'' Flange Thickness
  • 1-3/4'' - 2'' Tube Size
  • SAP
  • $34.99
    Ships
    in 17-24 days
    Chrysler/Dodge
      737-H7835
    Header Flange Kit
  • Chrysler/Dodge 273-360
  • 3/8'' Flange Thickness
  • 1-5/8'' Tube Size
  • SAP
  • $101.99
    Ships
    in 17-24 days
      737-H7837
    Header Flange Kit
  • Chrysler/Dodge 354, 392 Hemi
  • 3/8'' Flange Thickness
  • 2'' Tube Size
  • Round Port
  • $142.99
    Ships
    in 17-24 days
      737-H7838
    Header Flange Kit
  • Chrysler/Dodge 383-440 (Excluding Hemi)
  • 3/8'' Flange Thickness
  • 1-3/4'' Tube Size
  • Rectangular Port
  • $142.99
    Ships
    in 17-24 days
      737-H7840
    Header Flange Kit
  • Chrysler/Dodge 426 Hemi
  • 3/8'' Flange Thickness
  • 2'' Tube Size
  • Square Port
  • $142.99
    Ships
    in 17-24 days
      737-H7880
    Header Flange Kit
  • Chrysler/Dodge 273-360
  • 5/16'' Flange Thickness
  • 1-5/8'' - 1-3/4'' Tube Size
  • Rectangular Port
  • $36.99
    Ships
    in 17-24 days
      737-H7890
    Header Flange Kit
  • Chrysler/Dodge 383-440 (Excluding Hemi)
  • 5/16'' Flange Thickness
  • 1-3/4'' Tube Size
  • Rectangular Port
  • $33.99
    Ships
    in 17-24 days
      737-H7897
    Header Flange Kit
  • Chrysler/Dodge 383-440 (Excluding Hemi)
  • 5/16'' Flange Thickness
  • 1-7/8'' - 2'' Tube Size
  • Rectangular Port
  • $36.99
    Ships
    Today
    Ford
      737-H7841
    Header Flange Kit
  • Ford 260-351W
  • 3/8'' Flange Thickness
  • 1-5/8'' Tube Size
  • Rectangular Port
  • $122.99
    Ships
    in 17-24 days
      737-H7842
    Header Flange Kit
  • Ford 260-351W
  • 5/16'' Flange Thickness
  • 1-1/2'' Tube Size
  • Oval Port
  • $32.99
    Ships
    in 17-24 days
      737-H7843
    Header Flange Kit
  • Ford 260-351W
  • 3/8'' Flange Thickness
  • 1-3/4'' Tube Size
  • Rectangular Port
  • $142.99
    Ships
    in 17-24 days
      737-H7844
    Header Flange Kit
  • Ford 351-400M
  • 3/8'' Flange Thickness
  • 1-3/4'' Tube Size
  • Oval Port
  • $142.99
    Ships
    in 17-24 days
      737-H7845
    Header Flange Kit
  • Ford 351C (4-bbl Heads)
  • 3/8'' Flange Thickness
  • 2'' Tube Size
  • Square Port
  • $142.99
    Ships
    in 17-24 days
      737-H7846
    Header Flange Kit
  • Ford 351W
  • World Product Head
  • 3/8'' Flange Thickness
  • 1-3/4'' Tube Size
  • Rectangular Port
  • $142.99
    Ships
    in 17-24 days
      737-H7847
    Header Flange Kit
  • Ford 390-428
  • 3/8'' Flange Thickness
  • 1-3/4'' Tube Size
  • Rectangular Port
  • $142.99
    Ships
    in 17-24 days
      737-H7848
    Header Flange Kit
  • Ford 390-428
  • 3/8'' Flange Thickness
  • 2'' Tube Size
  • Rectangular Port
  • $142.99
    Ships
    in 17-24 days
      737-H7849
    Header Flange Kit
  • Ford 429-460
  • 3/8'' Flange Thickness
  • 1-3/4'' Tube Size
  • Oval Port
  • $142.99
    Ships
    in 17-24 days
      737-H7850
    Header Flange Kit
  • Ford 429-460
  • 3/8'' Flange Thickness
  • 2'' Tube Size
  • Oval Port
  • $103.99
    Ships
    Today
      737-H7851
    Header Flange Kit
  • Ford 460 (Fuel Injection)
  • 3/8'' Flange Thickness
  • 1-3/4'' Tube Size
  • Oval Port
  • $142.99
    Ships
    in 17-24 days
      737-H7869
    Header Flange Kit
  • Ford 272-312 Y
  • 5/16'' Flange Thickness
  • 1-1/2'' Tube Size
  • Square Port
  • $72.99
    Ships
    in 17-24 days
      737-H7870
    Header Flange Kit
  • Ford 260-351W
  • 5/16'' Flange Thickness
  • 1-5/8'' - 1-3/4'' Tube Size
  • Oval Port
  • $36.99
    Ships
    in 17-24 days
      737-H7871
    Header Flange Kit
  • Ford 429-460
  • 5/16'' Flange Thickness
  • 2'' Tube Size
  • Oval Port
  • $36.99
    Ships
    in 17-24 days
      737-H7881
    Header Flange Kit
  • Ford Boss 351C
  • 5/16'' Flange Thickness
  • 2'' Tube Size
  • Rectangular Port
  • $34.99
    Ships
    in 17-24 days
    Oldsmobile
      737-H7852
    Header Flange Kit
  • Oldsmobile 403-455
  • 3/8'' Flange Thickness
  • 1-3/4'' Tube Size
  • Rectangular Port
  • $142.99
    Ships
    in 17-24 days
    Pontiac
      737-H7853
    Header Flange Kit
  • Pontiac 326-455
  • 3/8'' Flange Thickness
  • 1-7/8'' Tube Size
  • Round Port
  • $142.99
    Ships
    in 17-24 days
      737-H7854
    Header Flange Kit
  • Pontiac 326-455
  • 3/8'' Flange Thickness
  • 1-3/4'' Tube Size
  • D-Port
  • $114.99
    Ships
    in 17-24 days

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