Vehicle Info Needed

Header Flange Kit Chevy 265-400

Name: Header Flange Kit Chevy 265-400
Brand: PATRIOT EXHAUST
SKU: 737-H7864
Price: 48.92 USD
Availability: InStock

^$48⁹²$54.35You Save$5.43

Ships on 09/09/2026

Lowest Price Guarantee

Chevy

Chevy 265-400
5/16'' Flange Thickness
1-5/8'' Tube Size
Round Port
Precision machined flanges ; 5/16" thick ; Supplied with our premium head gaskets ; A wide variety of tube diameters and port shapes are available ;

Part TypeExhaust Flange

BrandPATRIOT EXHAUST

Package Height3.25

Package Width3.5

Package Length25.75

Weight4.845 PG

Part CategoryPerformance Parts

Includes Stubs For Primary TubesNo

Gaskets IncludedYes

Header Flange Thickness0.313 in (7.95 mm)

Header Flange Port Size1.625 in (41.275 mm)

Header Flange Port ShapeRound

QuantitySold as a pair

Mounting Hardware IncludedYes

Header Bolt PatternStock

Header Flange MaterialSteel

Part FitmentSemi Universal

Vendor Part NumberH7864

Package Qty1

Package TypeEA

No Questions

No Reviews

Some parts are not legal for use in California or other states with similar laws / regulations

⚠️ Warning