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.

9095 products

Engine Gaskets

Sale 10%
Vendor: Cometic Gasket

Cometic GM LB7/LLY/LBZ/LMM/LGH/LML Duramax .053in MLS Cylinder Head Gasket - 4.100in Bore - LHS

Regular price 552.99 SAR Sale price 552.99 SAR Regular price 613.72 SAR
Sale 10%
Vendor: Cometic Gasket

Cometic GM 6.6L Duramax Diesel 01-06 4.100 inch Bore .051 inch MLS Left Head Gasket

Regular price 552.99 SAR Sale price 552.99 SAR Regular price 613.72 SAR
Sale 10%
Vendor: Cometic Gasket

Cometic GM 6.6L Duramax Diesel 01-06 4.100 inch Bore .045 inch MLS Left Head Gasket

Regular price 552.99 SAR Sale price 552.99 SAR Regular price 613.72 SAR
Sale 10%
Vendor: Cometic Gasket

Cometic 01-06 GM 6.6L Duramax 4.100in Bore .040in MLS Head Gasket - Left

Regular price 552.99 SAR Sale price 552.99 SAR Regular price 613.72 SAR
Sale 10%
Vendor: Cometic Gasket

Cometic GM 6.6L Duramax Diesel 01-06 4.100 inch Bore .027 inch MLS Left Head Gasket

Regular price 552.99 SAR Sale price 552.99 SAR Regular price 613.72 SAR
Sale 10%
Vendor: Cometic Gasket

Cometic GM LB7/LLY/LBZ/LMM/LGH/LML Duramax .140in MLS Cylinder Head Gasket - 4.100in Bore - RHS

Regular price 841.99 SAR Sale price 841.99 SAR Regular price 935.49 SAR
Sale 10%
Vendor: Cometic Gasket

Cometic GM LB7/LLY/LBZ/LMM/LGH/LML Duramax .084in MLS Cylinder Head Gasket - 4.100in Bore - RHS

Regular price 820.99 SAR Sale price 820.99 SAR Regular price 911.38 SAR
Sale 10%
Vendor: Cometic Gasket

Cometic 01-06 GM 6.6L Duramax Diesel 4.100 inch Bore .075 inch MLS-5 RHS Head Gasket

Regular price 732.99 SAR Sale price 732.99 SAR Regular price 813.72 SAR
Sale 10%
Vendor: Cometic Gasket

Cometic GM LB7/LLY/LBZ/LMM/LGH/LML Duramax .070in MLS Cylinder Head Gasket - 4.100in Bore - RHS

Regular price 732.99 SAR Sale price 732.99 SAR Regular price 813.72 SAR
Sale 10%
Vendor: Cometic Gasket

Cometic GM LB7/LLY/LBZ/LMM/LGH/LML Duramax .066in MLS Cylinder Head Gasket - 4.100in Bore - RHS

Regular price 732.99 SAR Sale price 732.99 SAR Regular price 813.72 SAR
Sale 10%
Vendor: Cometic Gasket

Cometic 01-06 GM 6.6L Duramax Diesel 4.100 inch Bore .060 inch MLS-5 RHS Head Gasket

Regular price 732.99 SAR Sale price 732.99 SAR Regular price 813.72 SAR
Sale 10%
Vendor: Cometic Gasket

Cometic 01-06 GM 6.6L Duramax 104.14mm Bore .056in MLS-5 Head Gasket Right

Regular price 732.99 SAR Sale price 732.99 SAR Regular price 813.72 SAR