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Cometic GM / Mercury 8.1L 496ci 4.350in Bore.066in MLS-5 RH Head Gasket

Experience the ultimate in sealing performance with Cometic's MLS (Multi-Layer Steel) Head Gaskets. Engineered to provide maximum sealing performance for today's high-output engines, these gaskets require no sealants and can withstand the shearing force created by different materials.

Ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks, Cometic's MLS gaskets feature multiple embossed layers of stainless steel with Viton rubber coating on the outer layers. The result is increased strength, rebound, and resistance to corrosion.

  • Multiple embossed layers of stainless steel
  • Viton rubber coating on outer layers
  • Compressed operating thickness: 0.098"
  • Ideal for high-output engines

This product fits more vehicles than loaded. Please select your vehicle to see all fits.

Make Model Year Type
Chevrolet Avalanche 2500 2002 Base
Chevrolet Avalanche 2500 2003 Base
Chevrolet Avalanche 2500 2004 Base
Chevrolet Avalanche 2500 2005 LS
Chevrolet Avalanche 2500 2005 LT
Chevrolet Avalanche 2500 2006 LS
Chevrolet Avalanche 2500 2006 LT
Chevrolet Express 3500 2001 Base
Chevrolet Express 3500 2001 LS
Chevrolet Express 3500 2002 Base
Chevrolet Express 3500 2002 LS
Chevrolet Silverado 2500 2001 Base
Chevrolet Silverado 2500 2001 LS
Chevrolet Silverado 2500 2001 LT
Chevrolet Silverado 2500 2002 Base
Chevrolet Silverado 2500 2002 LS
Chevrolet Silverado 2500 2002 LT
Chevrolet Silverado 2500 2003 Base
Chevrolet Silverado 2500 2003 LS
Chevrolet Silverado 2500 2003 LT
Chevrolet Silverado 2500 2004 Base
Chevrolet Silverado 2500 2004 LS
Chevrolet Silverado 2500 2004 LT
Chevrolet Silverado 2500 2004 WT
Chevrolet Silverado 2500 HD 2001 Base
Chevrolet Silverado 2500 HD 2001 LS
Chevrolet Silverado 2500 HD 2001 LT
Chevrolet Silverado 2500 HD 2002 Base
Chevrolet Silverado 2500 HD 2002 LS
Chevrolet Silverado 2500 HD 2002 LT
Chevrolet Silverado 2500 HD 2003 Base
Chevrolet Silverado 2500 HD 2003 LS
Chevrolet Silverado 2500 HD 2003 LT
Chevrolet Silverado 2500 HD 2004 Base
Chevrolet Silverado 2500 HD 2004 LS
Chevrolet Silverado 2500 HD 2004 LT
Chevrolet Silverado 2500 HD 2004 WT
Chevrolet Silverado 2500 HD 2005 Base
Chevrolet Silverado 2500 HD 2005 LS
Chevrolet Silverado 2500 HD 2005 LT
Chevrolet Silverado 2500 HD 2005 WT
Chevrolet Silverado 2500 HD 2006 LS
Chevrolet Silverado 2500 HD 2006 LT
Chevrolet Silverado 2500 HD 2006 WT
Chevrolet Silverado 2500 HD 2007 LT
Chevrolet Silverado 2500 HD 2007 WT
Chevrolet Silverado 2500 HD Classic 2007 LS
Chevrolet Silverado 2500 HD Classic 2007 LT
Chevrolet Silverado 2500 HD Classic 2007 WT
Chevrolet Silverado 3500 2001 LS
Chevrolet Silverado 3500 2001 LT
Chevrolet Silverado 3500 2002 LS
Chevrolet Silverado 3500 2002 LT
Chevrolet Silverado 3500 2003 LS
Chevrolet Silverado 3500 2003 LT
Chevrolet Silverado 3500 2004 LS
Chevrolet Silverado 3500 2004 LT
Chevrolet Silverado 3500 2004 WT
Chevrolet Silverado 3500 2005 LS
Chevrolet Silverado 3500 2005 LT
Chevrolet Silverado 3500 2006 LS
Chevrolet Silverado 3500 2006 LT
Chevrolet Silverado 3500 2006 WT
Chevrolet Silverado 3500 Classic 2007 LS
Chevrolet Silverado 3500 Classic 2007 LT
Chevrolet Silverado 3500 Classic 2007 WT
Chevrolet Silverado 3500 HD 2007 LT
Chevrolet Silverado 3500 HD 2007 WT
Chevrolet Suburban 2500 2001 Base
Chevrolet Suburban 2500 2001 LS
Chevrolet Suburban 2500 2001 LT
Chevrolet Suburban 2500 2002 LS
Chevrolet Suburban 2500 2002 LT
Chevrolet Suburban 2500 2003 LS
Chevrolet Suburban 2500 2003 LT
Chevrolet Suburban 2500 2004 LS
Chevrolet Suburban 2500 2004 LT
Chevrolet Suburban 2500 2005 LS
Chevrolet Suburban 2500 2005 LT
Chevrolet Suburban 2500 2006 LS
Chevrolet Suburban 2500 2006 LT
GMC Savana 3500 2001 Base
GMC Savana 3500 2001 SLT
GMC Savana 3500 2002 Base
GMC Savana 3500 2002 SLT
GMC Sierra 2500 2001 SL
GMC Sierra 2500 2001 SLE
GMC Sierra 2500 2001 SLT
GMC Sierra 2500 2002 Base
GMC Sierra 2500 2002 SL
GMC Sierra 2500 2002 SLE
GMC Sierra 2500 2002 SLT
GMC Sierra 2500 2003 Base
GMC Sierra 2500 2003 SLE
GMC Sierra 2500 2003 SLT
GMC Sierra 2500 2003 WT
GMC Sierra 2500 2004 Base
GMC Sierra 2500 2004 SLE
GMC Sierra 2500 2004 SLT
GMC Sierra 2500 2004 WT
Cometic manufactures engine gaskets for both domestic and import vehicles. Gasket kits are available for both bottom end and top end for the most popular vehicles, while their MLS head gaskets are known to be some of the best in the industry. Cometic’s 70,000 square foot, state-of-the-art R&D and manufacturing facility allows them to design gaskets for engines using the latest technology, such as Multi-Layer Steel (MLS) gaskets as well as using synthetic blends such as Aramid Fiber.
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