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Cometic Duramax and Big Block Chevy Gaskets


Just as the 2021 SEMA Show rolls through Las Vegas, Cometic’s R&D team announced it has wrapped up development on new gaskets available for GM LML/LGH Duramax and big block engines.

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StreetPro gasket kit

One new application is the StreetPro Gasket Kit. The top end gasket kit features a 4.130″ bore, .047″ MLX cylinder head gasket Learn More #PRO3012T. The StreetPro Gasket Kit also has a bottom end gasket kit Learn More #PRO3012B

Chevy Gen-4 top end gasket

Cometic also announced Chevy Gen-4 big block top end gaskets for Brodix BP DN-9 Heads. These gaskets include:
Chevy Gen-4 Big Block.051″ MLS Cylinder Head Gasket, 4.620″ Bore Part# C15270-051 Learn More
Chevy Gen-4 Big Block .060″ Fiber Intake Manifold Gasket Set Part# C15271-060 Learn More
Chevy Gen-4 Big Block .125″ Fiber Valve Cover Gasket Part# C15268-125 Learn More
Chevy Gen-4 Big Block .060″ HTS Exhaust Header Gasket Set Part# C15272-060 Learn More



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