Specifications
- Brand
- Cometic Gasket
- Part #
- C5711-098
- UPC
- 191070036805
Cometic Pontiac 400/428/455 V8 .098in MLS Cylinder Head Gasket - 4.160in Bore
$156.29
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Cometic MLS head gasket for Pontiac 400/428/455 V8 engines. Features .098in thickness and 4.160in bore.
Key Features
- Fits a range of Pontiac 400, 428, and 455 V8 engines, as well as compatible Buick and Oldsmobile models from the 1970s.
- Multi-Layer Steel (MLS) construction offers increased strength and resistance to corrosion.
- Compressed operating thickness is .098 inches.
- Features a 4.160 inch bore size.
- Outer layers are coated with heat-resistant Viton rubber for reliable sealing.
- Designed for high-output engines and requires no additional sealants.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
This is a Cometic Multi-Layer Steel (MLS) head gasket, designed for Pontiac 400, 428, and 455 cubic inch V8 engines. It has a compressed thickness of .098 inches and a bore size of 4.160 inches, making it suitable for a range of classic Pontiac applications and other GM vehicles from the mid-70s, like the Pontiac Grand Prix or Firebird. MLS gaskets are a strong choice for high-output engines because they offer excellent sealing without needing additional sealants.
Cometic builds these gaskets with multiple layers of stainless steel for increased strength and corrosion resistance. The outer layers are coated with Viton, a heat-resistant rubber material that can handle tough sealing conditions and different surface finishes, whether you're pairing aluminum heads with an aluminum block or cast iron block. The stainless steel center layer can be varied to achieve different thicknesses, and in this case, it's set to a .098 inch compressed operating thickness for optimal performance in your build.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- C5711-098
- UPC
- 191070036805
Frequently Asked Questions
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Cometic Pontiac 400/428/455 V8 .098in MLS Cylinder Head Gasket - 4.160in Bore