Cometic Pontiac 400/428/455 V8 .051in 4.2in Bore MLS Cylinder Head Gasket
Unlock the full potential of your Pontiac engine with the Cometic Pontiac 400/428/455 V8 .051in 4.2in Bore MLS Cylinder Head Gasket. Engineered to perfection, this gasket is your ultimate solution for achieving maximum sealing performance in today’s high-output engines.
Key Features:
- Multi-Layer Steel (MLS) Construction: Comprised of multiple embossed layers of stainless steel, providing enhanced strength and durability.
- Viton Rubber Coating: The outer layers feature a Viton rubber coating that is heat resistant up to 482°F (250°C), ensuring reliable performance under extreme conditions.
- Compressed Thickness: With a compressed operating thickness of just 0.051 inches, this gasket ensures a tight seal without the need for additional sealants.
- Versatile Compatibility: Ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks, effectively handling the shearing forces between different materials.
- Corrosion Resistance: The stainless steel composition resists corrosion while providing the ability to rebound under pressure.
- Customizable Thickness: The uncoated stainless steel shim layer can be adjusted to meet various thickness requirements.
Benefits:
- Achieve superior sealing performance that enhances engine efficiency and longevity.
- Designed to withstand harsh sealing environments, making it perfect for high-performance applications.
- Easy installation with no need for additional sealants, saving you time and effort.
Use Cases:
- Perfect for performance enthusiasts looking to upgrade or rebuild their Pontiac 400, 428, or 455 V8 engines.
- Ideal for mechanics and automotive professionals seeking reliable head gaskets for high-output applications.
- Great for those restoring classic Pontiac vehicles, ensuring authentic performance and durability.
Elevate your engine’s performance with the Cometic Pontiac 400/428/455 V8 .051in 4.2in Bore MLS Cylinder Head Gasket—your trusted partner for high-performance sealing solutions.





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