

Specifications
- Brand
- Cometic Gasket
- Part #
- C5457-056
- UPC
- 191070127633

Cometic Chrysler 318/340/360 4.125in Bore .056in MLS-5 Head Gasket
$123.94
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Cometic Chrysler 318/340/360 MLS head gasket. Fits many LA V8 engines with a 4.125in bore and .056in compressed thickness.
Key Features
- Fits 94+ vehicle make/model combinations, including many Chrysler LA V8 engines.
- Multi-Layer Steel (MLS) construction offers increased strength and corrosion resistance.
- Outer layers are coated with heat-resistant Viton rubber for a reliable seal.
- Designed for a 4.125 inch bore and has a compressed operating thickness of 0.056 inches.
- Suitable for use with aluminum heads to aluminum blocks and aluminum heads to cast iron blocks.
- No additional sealants are required for installation.
⚠️ 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
If you're working on a Chrysler LA V8 engine like the 318, 340, or 360, this Multi-Layer Steel (MLS) head gasket from Cometic is built to seal your combustion chambers effectively. It's designed with a 4.125-inch bore and a compressed thickness of 0.056 inches, making it suitable for a wide range of applications, including vehicles like the Dodge D150, Chrysler Cordoba, and Bristol 408.
This gasket uses multiple layers of stainless steel for increased strength and resistance to corrosion. The outer layers are coated with Viton, a heat-resistant rubber material that can handle high temperatures up to 482°F (250°C) and works well with different head and block materials, including aluminum and cast iron. Because it's an MLS design, it doesn't require any additional sealants, simplifying installation.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- C5457-056
- UPC
- 191070127633
Frequently Asked Questions
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Cometic Chrysler 318/340/360 4.125in Bore .056in MLS-5 Head Gasket

