Mr. Gasket MLS Head Gasket; 4.080-Inch Bore/0.51-Inch Thick (01-13 6.0L Sierra 1500)Find parts that fit my vehicle

Premium Engine Gasket. The Mr. Gasket MLS Head Gasket with 4.080-inch bore and 0.051-inch thickness is engineered to provide a reliable and durable seal between the engine block and cylinder head. Specifically designed for GM LS engines with 4.00-inch bores, it effectively handles the extreme cylinder pressures found in high compression, supercharged, and turbocharged applications. This gasket is essential for maintaining combustion integrity and preventing fluid leaks, making it a critical component for performance engine builds.

Construction and Appearance. Featuring a multi-layered steel construction, this head gasket uses three layers of premium-grade stainless steel laser cut for precision. It includes optimized embossments for superior sealing and stability, and is coated with a proprietary polymer to ensure a micro-seal of coolant and oil passages. The gasket is engineered to accommodate surface finishes up to 60Ra, providing enhanced sealing even on less-than-perfect cylinder head surfaces.

Installation. Installation requires careful surface preparation but no special drilling or modifications. It is designed for straightforward replacement in compatible GM LS engines and is suitable for experienced professionals and advanced enthusiasts.

Warranty. This product is backed by a Limited Lifetime Warranty, reflecting its high-performance reliability and manufacturer confidence.

Application. This head gasket fits 2001-2013 6.0L Sierra 1500 models, providing a precise fit for these engines with no noted exclusions for this vehicle and time period.

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