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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
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
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
