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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.
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.
Head Gasket, 4.600 in. Bore, .051 in. Compressed Thickness, Chevy, Big Block, Each
Part Number: CGT-C5641-051
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Gasket, 4.500 in. Bore, 0.040 in. Thickness, Each
Part Number: CGT-C5634-040
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Head Gasket, 4.530 in. Bore, .040 in. Compressed Thickness, Chevy, Big Block, Each
Part Number: CGT-C5635-040
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Jul 13, 2026 if ordered today
Estimated Ship Date: Jul 13, 2026 if ordered today
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: Today
Estimated Ship Date: Today
Head Gaskets, MLS Marine, 4.600 in. Bore, Chevrolet, Big Block, Designed To Fit Mercury Marine 1050 Gen IV with 2-bolt Intake Side of Gasket, Each
Part Number: CGT-C5641-070
Estimated Ship Date: Jul 13, 2026 if ordered today
Estimated Ship Date: Jul 13, 2026 if ordered today
.045" MLS GEN 4,5&6 BLOCKS
Part Number: CGT-C5636-045
Not Yet Reviewed
Estimated Ship Date: Jul 13, 2026 if ordered today
Estimated Ship Date: Jul 13, 2026 if ordered today
Head Gasket, 4.530 in. Bore, Multi-layer Steel, 0.051 in. Compressed Thickness, Chevy, Big Block, Each
Part Number: CGT-C5635-051
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Gasket, Head Gasket, Multi Layer Steel, 4.530 in. Bore, 0.040 in. Thickness, Chevy, Big Block, Each
Part Number: CGT-C5639-040
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Gasket, MLS, Marine, 4.560 in. Bore, .060 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5636-060
Not Yet Reviewed
Estimated Ship Date: Jul 13, 2026 if ordered today
Estimated Ship Date: Jul 13, 2026 if ordered today
Head Gaskets, MLS Marine, 4.600 in. Bore, Chevrolet, Big Block, Designed To Fit Mercury Marine 1050 Gen IV with 2-bolt Intake Side of Gasket, Each
Part Number: CGT-C5641-060
Not Yet Reviewed
Estimated Ship Date: Jul 13, 2026 if ordered today
Estimated Ship Date: Jul 13, 2026 if ordered today
Head Gasket, Marine, 4.580 in. Bore, .060 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5640-060
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
.075" MLS-5 GEN 4,5&6 BLOCKS
Part Number: CGT-C5634-075
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Gasket, 4.500 in. Bore, .027 in. Compressed Thickness, Chevy, Big Block, Each
Part Number: CGT-C5634-027
Estimated Ship Date: Jul 13, 2026 if ordered today
Estimated Ship Date: Jul 13, 2026 if ordered today
Head Gaskets, MLS Marine, Multi-layer Stainless Steel, 4.600 in. Bore, 0.030 in. Compressed Thickness, Chevrolet, Big Block, Each
Part Number: CGT-C5641-030
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Head Gasket, Marine, MLS, 4.580 in. Bore, 0.051 in. Thickness, Chevy, Each
Part Number: CGT-C5640-051
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Gasket, Marine, 4.580 in. Bore, .040 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5640-040
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Gasket, MLS, Marine, 4.500 in. Bore, .027 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5638-027
Not Yet Reviewed
Estimated Ship Date: Jul 13, 2026 if ordered today
Estimated Ship Date: Jul 13, 2026 if ordered today
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: Today
Estimated Ship Date: Today
.086" MLS-5 GEN 4,5&6 BLOCKS
Part Number: CGT-C5634-086
Not Yet Reviewed
Estimated Ship Date: Jul 13, 2026 if ordered today
Estimated Ship Date: Jul 13, 2026 if ordered today
Head Gasket, MLS, Marine, 4.600 in. Bore, .066 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5637-066
Not Yet Reviewed
Estimated Ship Date: Jul 13, 2026 if ordered today
Estimated Ship Date: Jul 13, 2026 if ordered today
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: Jul 13, 2026 if ordered today
Estimated Ship Date: Jul 13, 2026 if ordered today
Head Gasket, MLS, Marine, 4.530 in. Bore, .027 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5635-027
Not Yet Reviewed
Estimated Ship Date: Jul 13, 2026 if ordered today
Estimated Ship Date: Jul 13, 2026 if ordered today
