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Spring Sale Cometic Pontiac 400/428/455 V8 .045" Mls Cylinder Head Gasket, 4.200" Bore In Multiple Colors [DlFBoVW7]

$20.99 $67.99 -69%

Cometic Pontiac Cylinder Head Gasket The Cometic Pontiac 400/428/455 V8 .045" MLS Cylinder Head Gasket is a premium solution designed for engines with a 4.200" bore size. This gasket is crafted with precision and care to ensure optimal performance an

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Spring Sale Cometic Pontiac 400/428/455 V8 .045" Mls Cylinder Head Gasket, 4.200" Bore In Multiple Colors [DlFBoVW7]

Cometic Pontiac Cylinder Head Gasket

The Cometic Pontiac 400/428/455 V8 .045" MLS Cylinder Head Gasket is a premium solution designed for engines with a 4.200" bore size. This gasket is crafted with precision and care to ensure optimal performance and durability. Made to order, this gasket may experience a 1-2 week delay, but the wait is worth it for the superior quality and reliability it offers.

Key Features and Specifications

The Cometic MLS Cylinder Head Gasket is engineered with multiple embossed layers of high temperature coated and uncoated stainless steel. This innovative design requires less clamp load, reduces bore distortion, and provides a superior load distribution across the sealing area. The gasket also includes an additional HP Shim Layer for increased stress around the combustion seal, enhancing its performance and longevity. Here are some of the key features and specifications:

  • Material: Multi-Layer Steel (MLS)
  • Compressed Thickness: .045 inches
  • Bore Shape: Valve Pocketed
  • Bore Size (IN): 4.200 inches
  • Number of Layers: 3
  • Orientation: None

Benefits and Practical Uses

The Cometic Pontiac Cylinder Head Gasket offers numerous benefits for both performance enthusiasts and professional mechanics. Its proprietary high temperature coatings and embossments create a micro seal for fluids against the head and block surface, ensuring a tight and leak-free seal. This gasket is ideal for engines that require a high level of performance and reliability, such as those used in racing or high-performance street applications. Here are some of the practical uses and benefits:

  • Reduces bore distortion and maintains a consistent seal over time
  • Enhances engine performance and efficiency
  • Increases stress around the combustion seal for better durability
  • Easy to install and compatible with a wide range of Pontiac 400/428/455 V8 engines

What Our Customers Say

January 27, 2026

Absolutely no complaints!

I'm delighted with how this turned out.

- Alexis F..

January 27, 2026

Absolutely no complaints!

The quality of this item is simply undeniable.

- Joshua Russell.

January 27, 2026

Absolutely no complaints!

The attention to detail in the manufacturing is evident.

- Grace Barnes.

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