# Cometic Pontiac 326/389/421 V8 .080in MLS Cylinder Head Gasket - 4.300in Bore

The Cometic MLS gasket is comprised of three to five layers of stainless steel. Cometic uses stainless steel for increased strength, its ability to rebound and resist corrosion. The outer layers of the gasket are embossed and coated on both sides with a Viton rubber material designed to meet the demands of a variety of harsh sealing environments, load conditions and surface finishes. The Viton coating is heat resistant to 250°C or 482°F.

-   The embossed outer layers of the gaskets meet the demands of a variety of harsh sealing environments, load conditions, and surface finishes
-   The center or shim layer is an uncoated stainless steel layer which can be varied to accommodate multiple thickness requirements
-   Designed To Meet The Demands Of A Variety Of Harsh Sealing Cond.
-   Requires less clamp load creating less bore distortion
-   Conforms load distribution across the sealing area

This Part Fits:

Year

Make

Model

Submodel

1959-1966

Pontiac

Bonneville

Base

1959-1962

Pontiac

Bonneville

Custom

1959-1966

Pontiac

Bonneville

Safari

1964-1966

Pontiac

Catalina

2+2

1959-1966

Pontiac

Catalina

Base

1959-1966

Pontiac

Catalina

Safari

1962-1966

Pontiac

Catalina

Ventura

1962-1966

Pontiac

Grand Prix

Base

1964-1966

Pontiac

GTO

Base

1959-1966

Pontiac

Star Chief

Base

1966

Pontiac

Star Chief

Executive

1961,1963-1966

Pontiac

Tempest

Base

1964-1965

Pontiac

Tempest

Custom

1961

Pontiac

Tempest

LeMans

1961,1963-1966

Pontiac

Tempest

Safari

1960-1961

Pontiac

Ventura

Base

## Details

- **Price:** 233.45 CAD
- **Vendor:** Cometic Gasket
- **Type:** Head Gaskets

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 233.45 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- User 9
- Installation Instructions
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/cometic-pontiac-326-389-421-v8-080in-mls-cylinder-head-gasket-4-300in-bore)
> Updated: 2026-06-27