Cometic Engine Gaskets

Now you can have race-proven performance on your daily driver! Founded in 1989, Cometic Gasket is a leading worldwide supplier of short-run and custom gaskets for the...

Now you can have race-proven performance on your daily driver! Founded in 1989, Cometic Gasket is a leading worldwide supplier of short-run and custom gaskets for the motorsports market. To ensure maximum performance for various engine types and sizes, Cometic manufactures gaskets in a wide range of materials, including Multi-Layered Steel (MLS) and Aramid Fiber. The gaskets are rigorously tested in the most demanding driving conditions and have proven themselves on NHRA/IHRA and NASCAR tracks nationwide. Whether you’re sealing a street/strip machine or daily driver, Cometic Gasket will give you maximum performance.

Individual Parts

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Results 1 - 25 of 194

Cometic MLS Marine Head Gaskets C5641-040

Cometic MLS Marine Head Gaskets C5641-040

Head Gasket, MLS, Marine, 4.600 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5641-040

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

Cometic MLS Marine Head Gaskets C5641-051

Head Gasket, 4.600 in. Bore, .051 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5641-051

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

Cometic MLS Marine Head Gaskets C5636-051

Head Gasket, MLS, 4.580 in. Bore, .051 in. Compressed Thickness, Chevy, Marine, Each

Part Number: CGT-C5636-051

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

Cometic MLS Marine Head Gaskets C5634-040

Head Gasket, 4.500 in. Bore, 0.040 in. Thickness, Each

Part Number: CGT-C5634-040

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

Cometic MLS Marine Head Gaskets C5637-080

Head Gasket, MLS, Marine, 4.600 in. Bore, .080 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5637-080

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

Cometic MLS Marine Head Gaskets C5638-051

Head Gasket, 4.500 in. Bore, .051 in. Compressed Thickness, Chevy, Big Block, Marine, Each

Part Number: CGT-C5638-051

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

Cometic MLS Marine Head Gaskets C5634-051

Head Gasket, 4.500 in. Bore, .051 in. Compressed Thickness, Chevy, Mercury Marine, Each

Part Number: CGT-C5634-051

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

Cometic MLS Marine Head Gaskets C5637-027

Head Gasket, MLS, Marine, 4.600 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5637-027

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

Cometic MLS Marine Head Gaskets C5636-027

Head Gasket, MLS Marine, Multi-layer Stainless Steel, 4.560 in. Bore, 0.027 in. Compressed Thickness, Chevrolet, Big Block, Each

Part Number: CGT-C5636-027

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025