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Fel-Pro 1404 exhaust manifold gasket set, multiple flat gaskets with perforated steel core and fiber facing

Fel-Pro

Fel-Pro 1404 Exhaust Manifold Gasket Set Body

SKU CH-Q6SP-F274V

Exhaust manifold gasket set with high-density fiber facing on a perforated steel core for GM V8 engines from 4.3 L to 6.6 L

  • High-density fiber facing resists blowout and burnout from high-temperature exhaust
  • Perforated steel core provides far stronger sealing than basic paper gaskets
  • Engineered to meet or exceed manufacturer specifications for reliable performance
  • Application-specific design ensures a perfect fit on listed GMP V8 engines
  • Validated for fit, form and function to deliver dependable exhaust sealing

Engine Fitment

The Fel-Pro 1404 Exhaust Manifold Gasket Set is designed for General Motors performance V8 engines. It covers displacements from 262 4.3L through 400 6.6L including 265 4.3L, 267 4.4L, 283 4.6L, 302 4.9L, 305 5.0L, 307 5.0L, 327 5.3L and 350 5.7L. Builders restoring or assembling these specific small-block variants will find the correct manifold sealing surfaces in this kit. It is not for engines outside the listed displacement range or for cylinder head gasket replacement.

Material Construction

High-density fiber facing is bonded to both sides of a perforated steel core. This composite structure resists blowout and burnout from high-temperature exhaust gases. The manufacturer states it is far stronger than basic paper gaskets and is engineered to meet or exceed original equipment specifications. The design is validated for fit, form and function in the intended applications.

Application-Specific Sealing

The single specification that decides fitment is the exact engine displacement and family listed in the product data. Only the 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400 cubic inch GM V8s are confirmed. Installers must verify their engine matches one of these displacements before purchase. Engines not listed, including big-block variants or later LS-series units, are not supported by this gasket set.

Highlights

  • High-density fiber facing resists blowout and burnout from high-temperature exhaust
  • Perforated steel core provides far stronger sealing than basic paper gaskets
  • Engineered to meet or exceed manufacturer specifications for reliable performance
  • Application-specific design ensures a perfect fit on listed GMP V8 engines
  • Validated for fit, form and function to deliver dependable exhaust sealing

Specifications

BrandFEL PRO HP

Questions about this item

How do I install the Fel-Pro 1404 gasket set and what step is often missed?

Place the high-density fiber facing against both the cylinder head and manifold flanges with the perforated steel core centered; the step most people skip is cleaning both surfaces completely flat and free of old material before fitting the new gaskets.

What maintenance or replacement will the Fel-Pro 1404 set need later?

The gaskets are a one-time seal; they require no periodic maintenance but must be replaced whenever the exhaust manifold is removed or if a leak develops at the 5.7 L or 6.6 L V8 joints.

What limit appears first on the Fel-Pro 1404 set under sustained high-temperature use?

The high-density fiber facing resists blowout and burnout longer than basic paper gaskets, so the first limit is typically flange warpage or bolt stretch on the 4.3 L to 6.6 L engines rather than gasket failure itself.

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