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Kooks Custom Headers 70-016 5.4L/5.8L Shelby GT500 Header Flange - 3/8" Thick SS Ports for 2" Primaries.
5.4L/5.8L Shelby GT500 Header Flange
  • 3/8" Thick 304 Stainless Steel
  • Stock Bolt pattern
  • Oval Ports for 2" Primaries
  • Sold Individually
$78.97 USD
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Kooks Custom Headers 70-023 GM GEN 5 LT1 Header Flange - 3/8" Thick SS. Ports for 1-3/4" Primaries.
GM GEN 5 LT1 Header Flange
  • 3/8" Thick 304 Stainless Steel
  • Oval Ports for 1-3/4" Primaries
  • Sold Individually
$81.55 USD
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Kooks Custom Headers 70-023-STEEL GM GEN 5 LT1 Header Flange - 3/8" Thick Mild Steel. Ports for 1-3/4" Primaries.
GM GEN 5 LT1 Header Flange
  • 3/8" Thick Mild Steel
  • Oval Ports for 1-3/4" Primaries
  • Sold Individually
$43.00 USD
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Kooks Custom Headers 70-024 GM GEN 5 LT1 Header Flange - 3/8" Thick SS. Ports for 1-7/8" Primaries.
GM GEN 5 LT1 Header Flange
  • 3/8" Thick 304 Stainless Steel
  • Oval Ports for 1-7/8" Primaries
  • Sold Individually
$58.50 USD
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Kooks Custom Headers 70-024-STEEL GM GEN 5 LT1 Header Flange - 3/8" Thick Mild Steel. Ports for 1-7/8" Primaries.
GM GEN 5 LT1 Header Flange
  • 3/8" Thick Mild Steel
  • Oval Ports for 1-7/8" Primaries
  • Sold Individually
$43.04 USD
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Kooks Custom Headers 70-025 GM GEN 5 LT1 Header Flange - 3/8" Thick SS. Ports for 2" Primaries.
GM GEN 5 LT1 Header Flange
  • 3/8" Thick Mild Steel
  • Oval Ports for 2" Primaries
  • Sold Individually
$59.24 USD
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Kooks Custom Headers 70-036 Ford VooDoo Flange - 3/8" Thick Stainless. Ports for 1-3/4" Primaries.
Ford VooDoo Header Flange.
  • Thick 304 Stainless Steel
  • Round Ports for 1-3/4" Primaries
  • Sold Individually
$75.65 USD
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Kooks Custom Headers 70-037 Ford VooDoo Flange - 3/8" Thick Stainless. Ports for 2" Primaries.
Ford VooDoo Header Flange.
  • Thick 304 Stainless Steel
  • Round Ports for 2" Primaries
  • Sold Individually
$58.75 USD
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Kooks Custom Headers 70-038 Garrett T4 Turbo Inlet Flange. 1/2" Thick Stainless.
Garrett T4 Turbo Inlet Flange
  • 1/2" Thick 304 Stainless Stee
  • Undivided opening
  • Sold Individually
$76.44 USD
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Kooks Custom Headers 70-041 Nissan 5.6L V8 Header Flange - 3/8" Thick Stainless. Ports for 1-7/8" Primaries.
Nissan 5.6L V8 Header Flange.
  • 3/8" Thick 304 Stainless Steel
  • Round Ports for 1-7/8" Primaries
  • Sold Individually
$72.01 USD
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Kooks Custom Headers 70-042 Nissan 5.6L V8 Header Flange - 3/8" Thick Stainless. Ports for 1-5/8" Primaries.
Nissan 5.6L V8 Header Flange.
  • 3/8" Thick 304 Stainless Steel
  • Oval Ports for 1-5/8" Primaries
  • Sold Individually
$58.67 USD
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Kooks Custom Headers 70-042A Nissan 5.6L V8 Header Flange - 3/8" Thick Stainless. Ports for 1-3/4" Primaries.
Nissan 5.6L V8 Header Flange.
  • 3/8" Thick 304 Stainless Steel
  • Oval Ports for 1-3/4" Primaries
  • Sold Individually
$59.30 USD
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Kooks Custom Headers 70-042B Nissan 5.6L V8 Header Flange - 3/8" Thick Stainless. Ports for 1-7/8" Primaries.
Nissan 5.6L V8 Header Flange.
  • 3/8" Thick 304 Stainless Steel
  • Oval Ports for 1-7/8" Primaries
  • Sold Individually
$58.67 USD
More Info
Kooks Custom Headers 70-043 Toyota 5.7L V8 Header Flange - 3/8" Thick Stainless. Ports for 1-3/4” Primaries.
Toyota 5.7L V8 Header Flange
  • 3/8" Thick 304 Stainless Steel
  • Round Ports for 1-3/4" Primaries
  • Includes 1/2" Ports for EGR
  • Sold Individually
$30.67 USD
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Kooks Custom Headers 70-043A Toyota 5.7L V8 Header Flange - 3/8" Thick Stainless. Ports for 1-7/8” Primaries.
Toyota 5.7L V8 Header Flange
  • 3/8" Thick 304 Stainless Steel
  • Round Ports for 1-7/8" Primaries
  • Includes 1/2" Ports for EGR
  • Sold Individually
$30.67 USD
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Kooks Custom Headers 70-045 Toyota 5.7L V8 Header Flange - 3/8" Thick Stainless. Ports for 1-3/4” Primaries.
Toyota 5.7L V8 Header Flange
  • 3/8" Thick 304 Stainless Steel
  • Round Ports for 1-3/4" Primaries
  • Does Not Include Ports for EGR
  • Sold Individually
$59.88 USD
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Kooks Custom Headers 70-045A Toyota 5.7L V8 Header Flange - 3/8" Thick Stainless. Ports for 1-7/8” Primaries.
Toyota 5.7L V8 Header Flange
  • 3/8" Thick 304 Stainless Steel
  • Round Ports for 1-7/8" Primaries
  • Does Not Include Ports for EGR
  • Sold Individually
$73.03 USD
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Kooks Custom Headers 70-051 Ford VooDoo Flange - 3/8" Thick Stainless. Ports for 1-7/8" Primaries.
Ford VooDoo Header Flange.
  • Thick 304 Stainless Steel
  • Round Ports for 1-7/8" Primaries
  • Sold Individually
$60.76 USD
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Kooks Custom Headers 7010 Ford Adapter Plate - 2" Inline/2-3/4" Diagonal. 3/8" Thick Mild Steel.
Ford Adapter Plate - 2" Inline/2-3/4" Diagonal.
  • Countersunk holes to bolt to 2" Inline Stock bolt pattern
  • Threaded holes for 2-3/4" Diagonal bolt pattern to bolt headers to
  • 3/8" Thick Mild Steel
Does Not Include Gaskets or Hardware. This is a single plate for replacement only. See part #7010-KIT for complete kit.
$110.95 USD
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Kooks Custom Headers 7011-CS SBF Header Flange - 2-3/4" Diag. Bolt Pattern. 3/8" Thick SS. Port for 1-3/4"
Small Block Ford Header Flange - 2-3/4" Diagonal Bolt Pattern
  • 3/8" Thick 304 Stainless Steel
  • Round Port for 1-3/4" Primaries
  • Sold Individually
$69.45 USD
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