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Spring 25 - Chevy/GM

Saturday, March 29th, 2025

Cometic Gasket, a trusted leader in high-performance sealing solutions, is excited to announce the latest additions to its cylinder head gasket lineup for Chevrolet and GM engines. Engineered with precision and built for maximum durability, these new gaskets offer superior sealing performance for a range of applications, from high-horsepower racing builds to daily-driven workhorses.

Chevrolet Big Block V8 – .040" MLS Cylinder Head Gasket, 4.680" Bore (Round Bore)

GM LMM/LLY Duramax – Top End Gasket Kit, 4.130" Bore, .047" MLX Cylinder Head Gasket

GM LV1/LV3 EcoTec3 (Right-Hand Side) – .054" MLX Cylinder Head Gasket, 4.000" Bore

GM LV1/LV3 EcoTec3 (Left-Hand Side) – .054" MLX Cylinder Head Gasket, 4.000" Bore

Spring 25 - Chevy/GM

Applications:

These gaskets are designed for a variety of popular Chevrolet and GM vehicles, including:

Spring 25 - Chevy/GM

  • Chevrolet Big Block V8 Applications

    • Chevrolet Camaro (SS, ZL1 builds)

    • Chevrolet Corvette (High-performance modifications)

    • Chevrolet Chevelle, Nova, and Impala (Classic muscle cars)

    • Chevrolet Silverado HD (Performance towing applications)

Spring 25 - Chevy/GM

  • GM LMM/LLY Duramax Applications

    • Chevrolet Silverado 2500HD & 3500HD (2006-2010)

    • GMC Sierra 2500HD & 3500HD (2006-2010)

    • Chevrolet Express & GMC Savana (Diesel applications)

  • GM LV1/LV3 EcoTec3 Applications

    • Chevrolet Silverado 1500 (2014-Present, 4.3L V6)

    • GMC Sierra 1500 (2014-Present, 4.3L V6)

    • Chevrolet Tahoe & Suburban (2015-Present, 4.3L V6)

    • GMC Yukon (2015-Present, 4.3L V6)

Uncompromising Quality & Performance

Cometic’s Multi-Layer Steel (MLS) and MLX gaskets are engineered to handle extreme conditions, ensuring reliable sealing even under high-compression, high-boost, and high-temperature environments. Whether you’re pushing your engine to the limit on the track or relying on it for heavy-duty towing, Cometic’s advanced gasket technology provides the durability and precision fit you need.

Availability

Cometic’s new Chevrolet and GM cylinder head gaskets are available now through authorized dealers and distributors worldwide. For more information, visit www.cometic.com or contact your nearest Cometic distributor.

About Cometic Gasket Founded in 1989, Cometic Gasket is a global leader in high-performance gasket manufacturing. Based in Concord, Ohio, Cometic serves the automotive, powersports, and industrial markets with precision-engineered sealing solutions built for durability and performance.

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