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Chevy Small Block Engines, Heavy Duty 3/8" Header Flange Kits (Available in 3 Options)

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Chevy Small Block Engines, Heavy Duty 3/8" Header Flange Kits (Available in 3 Options)

Highlights

Patriot precision machined header flange kits are available for many popular engine families. Header flange kits come complete with gaskets and header bolts.

Our 3/8" Header flange kits have heavy duty 1100° F gaskets.

  • For Chevy Small Block (265-400) Engines
  • For 1 5/8" Tube Diameters, select from Round or Oval port shapes
  • The 1 3/4" Tube Diameter option is available only in Rectangle port shape
Select Tube Diameter & Port Shape
From $65.88
Chevy Small Block Engines, Heavy Duty 3/8" Header Flange Kits (Available in 3 Options)—
$65.88

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Description

Highlights

Patriot precision machined header flange kits are available for many popular engine families. Header flange kits come complete with gaskets and header bolts.

Our 3/8" Header flange kits have heavy duty 1100° F gaskets.

  • For Chevy Small Block (265-400) Engines
  • For 1 5/8" Tube Diameters, select from Round or Oval port shapes
  • The 1 3/4" Tube Diameter option is available only in Rectangle port shape