Cadillac

$79.99
Ships directly from the manufacturer on 12/01/20
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Header Flange Kit
  • Cadillac 425, 500
  • 5/16'' Flange Thickness
  • 1-7/8'' Tube Size
  • Square Port
  • View Details
    $79.99
    Ships directly from the manufacturer on 12/01/20
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    Chrysler

    $102.99
    Ships Monday
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    Header Flange Kit
  • Chrysler 5.7/6.1/6.4L Hemi
  • 3/8'' Flange Thickness
  • 1-3/4'' Tube Size
  • SAP Port
  • View Details
    $102.99
    Ships Monday
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    Chevy

    $54.99
    Ships directly from the manufacturer on 12/14/20
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    Header Flange Kit
  • GM 4.3L V6
  • 5/16'' Flange Thickness
  • 1-1/2'' Tube Size
  • Round Port
  • View Details
    $54.99
    Ships directly from the manufacturer on 12/14/20
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    $101.99
    Ships Monday
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    Header Flange Kit
  • Chevy 265-400
  • Inner Flange
  • 5/16'' Flange Thickness
  • SAP
  • View Details
    $101.99
    Ships Monday
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    $68.99
    Ships directly from the manufacturer on 12/01/20
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    Header Flange Kit
  • Chevy LS1-LS6
  • 3/8'' Flange Thickness
  • 1-7/8'' Tube Size
  • Round Port
  • View Details
    $68.99
    Ships directly from the manufacturer on 12/01/20
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    $116.99
    Ships directly from the manufacturer on 12/01/20
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    Header Flange Kit
  • Chevy LS7
  • 3/8'' Flange Thickness
  • 1-7/8'' Tube Size
  • D-Port
  • View Details
    $116.99
    Ships directly from the manufacturer on 12/01/20
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    $83.99
    Ships directly from the manufacturer on 12/01/20
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    Header Flange Kit
  • Chevy 265-400
  • Outer Flange
  • 3/8'' Flange Thickness
  • 1-7/8'' - 2'' Tube Size
  • Round Port
  • View Details
    $83.99
    Ships directly from the manufacturer on 12/01/20
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    $45.99
    Ships Today
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    Header Flange Kit
  • Chevy 265-400
  • 5/16'' Flange Thickness
  • 1-5/8'' Tube Size
  • Round Port
  • View Details
    $45.99
    Ships Today
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    $96.99
    Ships directly from the manufacturer on 12/01/20
    Lowest Price Guarantee
    Header Flange Kit
  • Chevy 265-400
  • 3/8'' Flange Thickness
  • 1-5/8'' Tube Size
  • Round Port
  • View Details
    $96.99
    Ships directly from the manufacturer on 12/01/20
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    $49.99
    Ships directly from the manufacturer on 12/01/20
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    Header Flange Kit
  • Chevy 265-400
  • 5/16'' Flange Thickness
  • 1-5/8'' Tube Size
  • Oval Port
  • View Details
    $49.99
    Ships directly from the manufacturer on 12/01/20
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    $51.99
    Ships Monday
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    Header Flange Kit
  • Chevy 265-400
  • 3/8'' Flange Thickness
  • 1-5/8'' Tube Size
  • Oval Port
  • View Details
    $51.99
    Ships Monday
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    $142.99
    Ships directly from the manufacturer on 12/01/20
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    Header Flange Kit
  • Chevy 265-400
  • Stainless Steel
  • 5/16'' Flange Thickness
  • 1-5/8'' Tube Size
  • Oval Port
  • View Details
    $142.99
    Ships directly from the manufacturer on 12/01/20
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    $57.99
    Ships Monday
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    Header Flange Kit
  • Chevy 265-400
  • 5/16'' Flange Thickness
  • 1-3/4'' Tube Size
  • Oval Port
  • View Details
    $57.99
    Ships Monday
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    $88.99
    Ships directly from the manufacturer on 12/01/20
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    Header Flange Kit
  • Chevy 265-400
  • 3/8'' Flange Thickness
  • 1-3/4'' Tube Size
  • Rectangular Port
  • View Details
    $88.99
    Ships directly from the manufacturer on 12/01/20
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    $80.99
    Ships Monday
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    Header Flange Kit
  • Chevy 265-400 Brodix
  • 5/16'' Flange Thickness
  • 1-3/4'' - 2'' Tube Size
  • Round Port
  • View Details
    $80.99
    Ships Monday
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    $59.99
    Ships Monday
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    Header Flange Kit
  • Chevy 265-400 Brodix
  • 5/16'' Flange Thickness
  • 1-7/8'' - 2'' Tube Size
  • Round Port
  • View Details
    $59.99
    Ships Monday
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    $56.99
    Ships directly from the manufacturer on 12/01/20
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    Header Flange Kit
  • Chevy 348, 409
  • 5/16'' Flange Thickness
  • 1-3/4" Tube Size
  • Rectangular Port
  • View Details
    $56.99
    Ships directly from the manufacturer on 12/01/20
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    $89.99
    Ships directly from the manufacturer on 12/01/20
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    Header Flange Kit
  • Chevy 348, 409
  • 3/8'' Flange Thickness
  • 2'' Tube Size
  • Rectangular Port
  • View Details
    $89.99
    Ships directly from the manufacturer on 12/01/20
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    $50.99
    Ships Today
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    Header Flange Kit
  • Chevy 396-502
  • 3/8'' Flange Thickness
  • 1-3/4'' - 2'' Tube Size
  • SAP
  • View Details
    $50.99
    Ships Today
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    $69.99
    Ships Monday
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    Header Flange Kit
  • Chevy 396-502
  • 3/8'' Flange Thickness
  • 2-1/8'' Tube Size
  • Round Port
  • View Details
    $69.99
    Ships Monday
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    $66.99
    (1)
    Ships Monday
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    Header Flange Kit
  • Chevy 396-502
  • 3/8'' Flange Thickness
  • 2-1/4'' Tube Size
  • Round Port
  • View Details
    $66.99
    (1)
    Ships Monday
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    $119.99
    Ships directly from the manufacturer on 12/01/20
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    Header Flange Kit
  • Chevy 396-502
  • 3/8'' Flange Thickness
  • 2-3/8'' Tube Size
  • Round Port
  • View Details
    $119.99
    Ships directly from the manufacturer on 12/01/20
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    $92.99
    Ships directly from the manufacturer on 12/01/20
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    Header Flange Kit
  • Chevy 396-502
  • 3/8'' Flange Thickness
  • 2-1/2'' Tube Size
  • Round Port
  • View Details
    $92.99
    Ships directly from the manufacturer on 12/01/20
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    $89.99
    Ships directly from the manufacturer on 12/01/20
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    Header Flange Kit
  • Chevy 572
  • 3/8'' Flange Thickness
  • 2-1/8'' Tube Size
  • D-Port
  • View Details
    $89.99
    Ships directly from the manufacturer on 12/01/20
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    $50.99
    Ships directly from the manufacturer on 12/01/20
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    Header Flange Kit
  • Chevy LS1/LS6
  • 5/16'' Flange Thickness
  • 1-5/8'' - 1-7/8'' Tube Size
  • Round Port
  • View Details
    $50.99
    Ships directly from the manufacturer on 12/01/20
    Lowest Price Guarantee

    $54.99
    Ships directly from the manufacturer on 12/01/20
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    Header Flange Kit
  • Chevy LS1/LS6
  • 3/8'' Flange Thickness
  • 1-5/8'' - 1-3/4'' Tube Size
  • Round Port
  • View Details
    $54.99
    Ships directly from the manufacturer on 12/01/20
    Lowest Price Guarantee

    Oldsmobile

    $86.99
    Ships directly from the manufacturer on 01/21/21
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    Header Flange Kit
  • Oldsmobile 403-455
  • 3/8'' Flange Thickness
  • 1-3/4'' Tube Size
  • Rectangular Port
  • View Details
    $86.99
    Ships directly from the manufacturer on 01/21/21
    Lowest Price Guarantee

    Pontiac

    $36.99
    Ships directly from the manufacturer on 12/01/20
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    Header Flange Kit
  • Pontiac 326-455
  • 5/16'' Flange Thickness
  • 1-5/8" to 1-3/4'' Tube Size
  • D Port
  • View Details
    $36.99
    Ships directly from the manufacturer on 12/01/20
    Lowest Price Guarantee

    $82.99
    Ships directly from the manufacturer on 12/01/20
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    Header Flange Kit
  • Pontiac 326-455
  • 3/8'' Flange Thickness
  • 1-3/4'' Tube Size
  • D-Port
  • View Details
    $82.99
    Ships directly from the manufacturer on 12/01/20
    Lowest Price Guarantee

    Ford

    $59.99
    Ships directly from the manufacturer on 12/01/20
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    Header Flange Kit
  • Ford 2.3L
  • 5/16'' Flange Thickness
  • 1-5/8'' Tube Size
  • Round Port
  • View Details
    $59.99
    Ships directly from the manufacturer on 12/01/20
    Lowest Price Guarantee