Engine Gaskets

At 4STROKE, we offer a wide range of engine gaskets designed to provide maximum sealing and durability.
Whether you're doing a complete rebuild or just replacing a head gasket, we've got what you need — including MLS, copper, and composite gaskets in multiple sizes.

Trusted for use in street, performance, and race engines — built to handle high compression and extreme temps.

🔧 Compatible with LS, HEMI, Coyote, and more
⚙️ High-temperature and high-pressure resistant
🏁 Ideal for performance builds or everyday use

Find the right parts for your vehicle easily by selecting the make, model, and year.
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9092 products

Sale 10%
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .072in MLS Cylinder Head Gasket - 4.530in Bore
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .072in MLS Cylinder Head Gasket - 4.530in Bore
Cometic Gasket

Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .072in MLS Cylinder Head Gasket - 4.530in Bore

488.99 SAR 488.99 SAR 543.20 SAR
Sale 10%
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .066in MLS Cylinder Head Gasket - 4.530in Bore
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .066in MLS Cylinder Head Gasket - 4.530in Bore
Cometic Gasket

Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .066in MLS Cylinder Head Gasket - 4.530in Bore

488.99 SAR 488.99 SAR 543.20 SAR
Sale 10%
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .060in MLS Cylinder Head Gasket - 4.530in Bore
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .060in MLS Cylinder Head Gasket - 4.530in Bore
Cometic Gasket

Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .060in MLS Cylinder Head Gasket - 4.530in Bore

488.99 SAR 488.99 SAR 543.20 SAR
Sale 10%
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .056in MLS Cylinder Head Gasket - 4.530in Bore
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .056in MLS Cylinder Head Gasket - 4.530in Bore
Cometic Gasket

Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .056in MLS Cylinder Head Gasket - 4.530in Bore

488.99 SAR 488.99 SAR 543.20 SAR
Sale 10%
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .051in MLS Cylinder Head Gasket - 4.530in Bore
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .051in MLS Cylinder Head Gasket - 4.530in Bore
Cometic Gasket

Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .051in MLS Cylinder Head Gasket - 4.530in Bore

354.99 SAR 354.99 SAR 394.29 SAR
Sale 10%
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .045in MLS Cylinder Head Gasket - 4.530in Bore
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .045in MLS Cylinder Head Gasket - 4.530in Bore
Cometic Gasket

Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .045in MLS Cylinder Head Gasket - 4.530in Bore

354.99 SAR 354.99 SAR 394.29 SAR
Sale 10%
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/V 4.530in Bore .040 inch MLS Head Gasket
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/V 4.530in Bore .040 inch MLS Head Gasket
Cometic Gasket

Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/V 4.530in Bore .040 inch MLS Head Gasket

337.99 SAR 337.99 SAR 375.51 SAR
Sale 10%
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .036in MLS Cylinder Head Gasket - 4.530in Bore
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .036in MLS Cylinder Head Gasket - 4.530in Bore
Cometic Gasket

Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .036in MLS Cylinder Head Gasket - 4.530in Bore

337.99 SAR 337.99 SAR 375.51 SAR
Sale 10%
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .030in MLS Cylinder Head Gasket - 4.530in Bore
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .030in MLS Cylinder Head Gasket - 4.530in Bore
Cometic Gasket

Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .030in MLS Cylinder Head Gasket - 4.530in Bore

337.99 SAR 337.99 SAR 375.51 SAR
Sale 10%
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .027in MLS Cylinder Head Gasket - 4.530in Bore
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .027in MLS Cylinder Head Gasket - 4.530in Bore
Cometic Gasket

Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .027in MLS Cylinder Head Gasket - 4.530in Bore

337.99 SAR 337.99 SAR 375.51 SAR
Sale 10%
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .092in MLS Cylinder Head Gasket - 4.500in Bore
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .092in MLS Cylinder Head Gasket - 4.500in Bore
Cometic Gasket

Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .092in MLS Cylinder Head Gasket - 4.500in Bore

530.99 SAR 530.99 SAR 590.01 SAR
Sale 10%
Cometic Chevy Big Block Gen 4/5/6 4.5in Bore .086 inch MLS-5 Head Gasket
Cometic Chevy Big Block Gen 4/5/6 4.5in Bore .086 inch MLS-5 Head Gasket
Cometic Gasket

Cometic Chevy Big Block Gen 4/5/6 4.5in Bore .086 inch MLS-5 Head Gasket

530.99 SAR 530.99 SAR 590.01 SAR