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Vehicle Info NeededPATRIOT EXHAUSTPART NUMBER: 737-H7894
Header Flange Kit Chevy 265-400
$6224$69.16You Save$6.92
Ships on 09/08/2026
Lowest Price GuaranteeChevy
- Header Flange Kit
- Chevy 265-400
- 5/16'' Flange Thickness
- 1-3/4'' Tube Size
- Oval Port
Excellent Seal on Your Exhaust
Patriot Exhaust precision machined header flange kits are available for many popular engine families. Header flange kits come complete with premium gaskets and header bolts. Choose from 3/8 in. or weight saving, 5/16 in. flanges.
Part TypeExhaust Flange
Product LinePatriot Exhaust Header Flange Kits
BrandPATRIOT EXHAUST
Package Height3.5
Package Width3.6
Package Length26.6
Weight5.25 PG
Part CategoryPerformance Parts
Includes Stubs For Primary TubesNo
Gaskets IncludedYes
Header Flange Thickness0.313 in (7.95 mm)
Header Flange Port Size1.75 in (44.45 mm)
Header Flange Port ShapeRectangular
QuantitySold as a pair
Mounting Hardware IncludedYes
Header Bolt PatternStock
Header Flange MaterialSteel
Part FitmentSemi Universal
Vendor Part NumberH7894
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
