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Intake Manifold Gasket Set - Performance - 400-455 Oldsmobile V8 1965-76

Intake Manifold Gasket Set - Oldsmobile 400-455, Intake gaskets are .060" thick.

PART# 404

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Intake Manifold Gasket Set, Fits Oldsmobile 400-455, Performance Gasket Material is made from Cellulose/Nitrile Composition material (head to intake gaskets). The end seals are cork.


  • Performance Material - Cellulose/Nitrile Composition Gasket Material
  • Intake Gaskets are .060" Thick
  • Can Be Trimmed if Necessary for Modified Port Applications
  • Comes with Manifold End Seals and Distributor Gasket
  • OE replacement for high performance street, drag race, and oval track usage.


BrandMr. Gasket
Emission Code1
EngineOldsmobile V8
Port ShapeRectangle
Port Size1.41" x 2.49"
Product TypeIntake Gaskets
WarrantyLimited 90 Day Warranty
Part Number404


This part is legal for use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it has a California Air Resources Board Executive Order number or is a direct or consolidated replacement part.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle

Warranty Information

Limited 90 Day Warranty: See Details


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