Cometic C5489-040 MLS Head Gasket 4.100" Bore .040" Thick for GM LS1 LS2 LS3 LS6

The Cometic C5489-040 MLS Head Gasket is a premium sealing solution engineered for high-performance applications in GM LS1, LS2, LS3, and LS6 engines. This multi-layer steel (MLS) gasket is designed to withstand the rigors of demanding engine environments, making it an ideal choice for both street and racing applications. With a bore diameter of 4.100 inches and a thickness of .040 inches, this gasket provides optimal compression and sealing capabilities, ensuring that your engine runs efficiently and reliably.

One of the key functions of the Cometic MLS head gasket is to maintain the necessary compression while preventing any leaks between the engine block and the cylinder heads. The multi-layer design allows for a superior seal compared to traditional gaskets, offering enhanced durability and resistance to blowouts under high pressure and temperature. This is particularly important for performance engines that push the limits of power and efficiency.

Due to its precise engineering and high-quality materials, the Cometic C5489-040 is also resistant to oil and coolant contamination, ensuring that your engine remains clean and free from cross-contamination. This longevity and reliability contribute to the overall performance of your vehicle, allowing for more power and better throttle response.

FITMENT: Compatible with GM LS1, LS2, LS3, and LS6 engines, this head gasket is designed to fit perfectly within your engine's architecture, making installation straightforward for experienced mechanics and automotive enthusiasts alike.

Key Features & Benefits

• Made from high-quality multi-layer steel (MLS) for superior durability.
• 4.100" bore diameter and .040" thickness for optimal performance.
• Engineered to handle high pressure and temperature while preventing leaks.
• Resistant to oil and coolant contamination for extended service life.
• Designed for compatibility with multiple GM LS engine variants.