Patriot Exhaust Header Flange Kits


Patriot Exhaust
Patriot Exhaust Header Flange Kits

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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 6 days
    Chevy
      737-H7800
    		Header Flange Kit
  • Chevy 265-400
  • Inner Flange
  • 5/16'' Flange Thickness
  • SAP
    		• $162.99
    Ships
    in 6 days
      737-H7831
    		Header Flange Kit
  • Chevy 265-400
  • 3/8'' Flange Thickness
  • 1-5/8'' Tube Size
  • Round Port
    		• $142.99
    Ships
    in 6 days
      737-H7832
    		Header Flange Kit
  • Chevy 265-400
  • 3/8'' Flange Thickness
  • 1-3/4'' Tube Size
  • Rectangular Port
    		• $103.99
    Ships
    in 6 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 6 days
      737-H7834
    		Header Flange Kit
  • Chevy 348, 409
  • 3/8'' Flange Thickness
  • 2'' Tube Size
  • Rectangular Port
    		• $142.99
    Ships
    in 6 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 6 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
    		• $42.99
    Ships
    Monday
    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
    Monday
      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 6 days
    Patriot Exhaust H7893 - Patriot Exhaust Header Flange Kits
         		737-H7893
    		Header Flange Kit
  • Chevy LS1/LS6
  • 3/8'' Flange Thickness
  • 1-5/8'' - 1-7/8'' Tube Size
  • Round Port
    		• $41.99
    Ships
    Monday
      737-H7894
    		Header Flange Kit
  • Chevy 265-400
  • 5/16'' Flange Thickness
  • 1-3/4'' Tube Size
  • Oval Port
    		• $42.99
    Ships
    in 6 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 6 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 6 days
      737-H7899
    		Header Flange Kit
  • Chevy 396-502
  • 3/8'' Flange Thickness
  • 1-3/4'' - 2'' Tube Size
  • SAP
    		• $34.99
    Ships
    in 6 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 6 days
      737-H7837
    		Header Flange Kit
  • Chrysler/Dodge 354, 392 Hemi
  • 3/8'' Flange Thickness
  • 2'' Tube Size
  • Round Port
    		• $142.99
    Ships
    in 6 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 6 days
      737-H7840
    		Header Flange Kit
  • Chrysler/Dodge 426 Hemi
  • 3/8'' Flange Thickness
  • 2'' Tube Size
  • Square Port
    		• $142.99
    Ships
    in 6 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 6 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 6 days
    Patriot Exhaust H7897 - Patriot Exhaust Header Flange Kits
         		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
    in 6 days
    Ford
      737-H7841
    		Header Flange Kit
  • Ford 260-351W
  • 3/8'' Flange Thickness
  • 1-5/8'' Tube Size
  • Rectangular Port
    		• $119.99
    Ships
    in 6 days
      737-H7842
    		Header Flange Kit
  • Ford 260-351W
  • 5/16'' Flange Thickness
  • 1-1/2'' Tube Size
  • Oval Port
    		• $32.99
    Ships
    in 6 days
      737-H7843
    		Header Flange Kit
  • Ford 260-351W
  • 3/8'' Flange Thickness
  • 1-3/4'' Tube Size
  • Rectangular Port
    		• $142.99
    Ships
    Monday
      737-H7844
    		Header Flange Kit
  • Ford 351-400M
  • 3/8'' Flange Thickness
  • 1-3/4'' Tube Size
  • Oval Port
    		• $142.99
    Ships
    in 6 days
      737-H7845
    		Header Flange Kit
  • Ford 351C (4-bbl Heads)
  • 3/8'' Flange Thickness
  • 2'' Tube Size
  • Square Port
    		• $142.99
    Ships
    in 6 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 6 days
      737-H7847
    		Header Flange Kit
  • Ford 390-428
  • 3/8'' Flange Thickness
  • 1-3/4'' Tube Size
  • Rectangular Port
    		• $142.99
    Ships
    in 6 days
      737-H7848
    		Header Flange Kit
  • Ford 390-428
  • 3/8'' Flange Thickness
  • 2'' Tube Size
  • Rectangular Port
    		• $142.99
    Ships
    in 6 days
      737-H7849
    		Header Flange Kit
  • Ford 429-460
  • 3/8'' Flange Thickness
  • 1-3/4'' Tube Size
  • Oval Port
    		• $142.99
    Ships
    in 6 days
    Patriot Exhaust H7850 - Patriot Exhaust Header Flange Kits
         		737-H7850
    		Header Flange Kit
  • Ford 429-460
  • 3/8'' Flange Thickness
  • 2'' Tube Size
  • Oval Port
    		• $103.99
    Ships
    in 6 days
      737-H7851
    		Header Flange Kit
  • Ford 460 (Fuel Injection)
  • 3/8'' Flange Thickness
  • 1-3/4'' Tube Size
  • Oval Port
    		• $142.99
    Ships
    in 6 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 6 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
    Monday
      737-H7871
    		Header Flange Kit
  • Ford 429-460
  • 5/16'' Flange Thickness
  • 2'' Tube Size
  • Oval Port
    		• $36.99
    Ships
    in 6 days
      737-H7881
    		Header Flange Kit
  • Ford Boss 351C
  • 5/16'' Flange Thickness
  • 2'' Tube Size
  • Rectangular Port
    		• $34.99
    Ships
    in 6 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 6 days
    Pontiac
      737-H7853
    		Header Flange Kit
  • Pontiac 326-455
  • 3/8'' Flange Thickness
  • 1-7/8'' Tube Size
  • Round Port
    		• $111.99
    Ships
    in 6 days
      737-H7854
    		Header Flange Kit
  • Pontiac 326-455
  • 3/8'' Flange Thickness
  • 1-3/4'' Tube Size
  • D-Port
    		• $111.99
    Ships
    in 6 days

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