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Cometic GM LS1 (w/M.I.D. Sleeves) 4.125 inch Bore.051 inch MLS Headgasket

Maximize your engine's performance with Cometic's MLS Head Gasket, designed for high-output engines. This multi-layer steel gasket provides superior sealing performance and requires no sealants.

Ideal for aluminum heads to aluminum blocks and aluminum heads to cast iron blocks, this gasket can withstand the shearing force created by the two materials.

  • Multiple embossed layers of stainless steel for increased strength and rebound
  • Viton rubber coating for heat resistance and corrosion protection
  • Compressed operating thickness of 0.051 inches

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

Make Model Year Type
Cadillac CTS 2004 V
Cadillac CTS 2005 V
Cadillac CTS 2006 V
Cadillac CTS 2007 V
Cadillac Escalade 2007 Base
Cadillac Escalade 2008 Base
Cadillac Escalade 2008 Platinum
Cadillac Escalade 2010 Base
Cadillac Escalade 2010 Platinum
Cadillac Escalade 2011 Base
Cadillac Escalade 2011 Luxury
Cadillac Escalade 2011 Platinum
Cadillac Escalade 2011 Premium
Cadillac Escalade 2012 Base
Cadillac Escalade 2012 Luxury
Cadillac Escalade 2012 Platinum
Cadillac Escalade 2012 Premium
Cadillac Escalade 2013 Base
Cadillac Escalade 2013 Luxury
Cadillac Escalade 2013 Platinum
Cadillac Escalade 2013 Premium
Cadillac Escalade 2014 Base
Cadillac Escalade 2014 Luxury
Cadillac Escalade 2014 Platinum
Cadillac Escalade 2014 Premium
Cadillac Escalade ESV 2007 Base
Cadillac Escalade ESV 2008 Base
Cadillac Escalade ESV 2008 Platinum
Cadillac Escalade ESV 2010 Base
Cadillac Escalade ESV 2010 Platinum
Cadillac Escalade ESV 2011 Base
Cadillac Escalade ESV 2011 Luxury
Cadillac Escalade ESV 2011 Platinum
Cadillac Escalade ESV 2011 Premium
Cadillac Escalade ESV 2012 Base
Cadillac Escalade ESV 2012 Luxury
Cadillac Escalade ESV 2012 Platinum
Cadillac Escalade ESV 2012 Premium
Cadillac Escalade ESV 2013 Base
Cadillac Escalade ESV 2013 Luxury
Cadillac Escalade ESV 2013 Platinum
Cadillac Escalade ESV 2013 Premium
Cadillac Escalade ESV 2014 Base
Cadillac Escalade ESV 2014 Luxury
Cadillac Escalade ESV 2014 Platinum
Cadillac Escalade ESV 2014 Premium
Cadillac Escalade EXT 2007 Base
Cadillac Escalade EXT 2008 Base
Cadillac Escalade EXT 2010 Base
Cadillac Escalade EXT 2011 Base
Cadillac Escalade EXT 2011 Luxury
Cadillac Escalade EXT 2011 Premium
Cadillac Escalade EXT 2012 Base
Cadillac Escalade EXT 2012 Luxury
Cadillac Escalade EXT 2012 Premium
Cadillac Escalade EXT 2013 Base
Cadillac Escalade EXT 2013 Luxury
Cadillac Escalade EXT 2013 Premium
Chevrolet Avalanche 2007 LS
Chevrolet Avalanche 2007 LT
Chevrolet Avalanche 2007 LTZ
Chevrolet Avalanche 2008 LS
Chevrolet Avalanche 2008 LT
Chevrolet Avalanche 2008 LTZ
Chevrolet Avalanche 2009 LS
Chevrolet Avalanche 2009 LT
Chevrolet Avalanche 2009 LTZ
Chevrolet Avalanche 2010 LS
Chevrolet Avalanche 2010 LT
Chevrolet Avalanche 2010 LTZ
Chevrolet Avalanche 2011 LS
Chevrolet Avalanche 2011 LT
Chevrolet Avalanche 2011 LTZ
Chevrolet Avalanche 2012 LS
Chevrolet Avalanche 2012 LT
Chevrolet Avalanche 2012 LTZ
Chevrolet Avalanche 2013 Black Diamond LS
Chevrolet Avalanche 2013 Black Diamond LT
Chevrolet Avalanche 2013 Black Diamond LTZ
Chevrolet C1500 1997 Base
Chevrolet C1500 1997 Cheyenne
Chevrolet C1500 1997 Silverado
Chevrolet C1500 1997 WT
Chevrolet C1500 1998 Cheyenne
Chevrolet C1500 1998 Silverado
Chevrolet C1500 1998 WT
Chevrolet C1500 1999 LS
Chevrolet C1500 Suburban 1997 Base
Chevrolet C1500 Suburban 1997 LS
Chevrolet C1500 Suburban 1997 LT
Chevrolet C1500 Suburban 1998 Base
Chevrolet C1500 Suburban 1998 LS
Chevrolet C1500 Suburban 1999 Base
Chevrolet C1500 Suburban 1999 LS
Chevrolet C2500 1997 Base
Chevrolet C2500 1997 Cheyenne
Chevrolet C2500 1997 Silverado
Chevrolet C2500 1998 Cheyenne
Chevrolet C2500 1998 Silverado
Chevrolet C2500 1998 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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