Presenting the GMC Sierra Head Gasket - Left - Cometic Gasket - Multi-Layer Steel (MLS) with a 4.100in Bore and .040in thickness. Specifically designed for model years 2001-2006, this head gasket is engineered to deliver exceptional sealing performance and durability.

The Cometic MLS Head Gasket is comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Its construction ensures that it can withstand the sheer forces encountered between aluminum heads and cast iron blocks. The gaskets are perfect for the high-performance needs of modern engines, maintaining structural integrity under extreme temperatures of up to 250°C (482°F). The Cometic head gasket is known for its ability to rebound and resist corrosion, ensuring a long-lasting seal without the need for additional sealants. This gasket is specifically designed for GM LB7/LLY/LBZ/LMM/LGH/LML Duramax engines.

Features

• Multi-layer embossed stainless steel construction
• Viton rubber coating on outer layers
• Heat resistant to 250°C (482°F)
• Compressed operating thickness of 0.040"
• 4.100" bore size
• Compatible with aluminum and cast iron configurations

We are committed to providing only the highest quality automotive components for enthusiasts seeking to enhance their vehicles. Should you have any questions about this product or need further assistance, please feel free to contact us directly at **512-982-9393** (TX) or **562-981-6800** (CA). We offer installation and customization services at our Austin, Texas and Los Angeles, California locations, ensuring your GMC Sierra is outfitted by experts. If you are considering purchasing multiple items, please contact us for potential shipping discounts. Installation services are available on premises at both of our locations.

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