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Vehicle Info NeededDYNATECHPART NUMBER: 329-796-21637
Big Block Chevy Header Flange 2-1/4" Round
$5499
Ships on Sep 14, 2026
Lowest Price GuaranteeBig Block Chevy Flanges
- Big Block Chevy Header Flange
- 2-1/4" Round
- Thickness: 3/8"
- Mild Steel
- A great exhaust system begins at the flange. Dynatech Header Flanges port matched flanges are CNC-machined for unparalleled fit and quality. These flanges are of the highest quality and are the best way to assure your exhaust performs the best. Sold 1/pkg.
Part TypeExhaust Flange
Product LineDynatech Header Flanges
BrandDYNATECH
Package Height0.8
Package Width3.3
Package Length19.2
Weight2.26 PG
Part CategoryPerformance Parts
Includes Stubs For Primary TubesNo
Gaskets IncludedNo
Header Flange Thickness0.375 in (9.525 mm)
Header Flange Port Size2.25 in (57.15 mm)
Header Flange Port ShapeRound
QuantitySold individually
Mounting Hardware IncludedNo
Header Bolt PatternStock
Header Flange MaterialSteel
Part FitmentUniversal
Vendor Part Number796-21637
Package Qty1
Package TypeEA
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