Description
C5790-066 Cometic GM LS1 (w/M.I.D. Sleeves) 4.165 inch Bore .066 inch MLS-5 Headgasket
Unlock the full potential of your high-performance engine with the C5790-066 Cometic GM LS1 MLS Headgasket. Designed specifically for the GM Gen III/IV Small Block V8 LS Series, this headgasket is the ultimate solution for those seeking exceptional sealing performance in demanding conditions.
Key Features:
- Multi-Layer Steel Construction: Comprised of multiple embossed layers of premium stainless steel, ensuring unmatched strength and durability.
- Viton Rubber Coating: The outer layers feature a protective Viton rubber coating that withstands extreme temperatures up to 250°C (482°F) while providing a reliable seal.
- Compressed Thickness: Operates at a compressed thickness of just 0.066 inches, making it ideal for various performance applications.
- MID Sleeves: Enhanced design for improved stability and sealing integrity under the most rigorous conditions.
- Versatile Compatibility: Perfectly suited for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks, accommodating a wide range of engine configurations.
Benefits:
- Maximum Sealing Performance: The MLS design eliminates the need for sealants, ensuring a clean and efficient installation.
- Corrosion Resistance: The stainless steel construction provides enhanced resistance to corrosion, extending the lifespan of your engine components.
- Exceptional Shear Strength: Capable of withstanding the shearing forces inherent in high-output engines, maintaining integrity and performance.
- Customizable Thickness: The uncoated stainless steel shim layer can be adjusted to meet specific thickness requirements for your engine build.
Use Cases:
This headgasket is perfect for high-performance street applications, racing engines, and any GM LS series build that demands the highest level of sealing reliability. Whether you’re a professional mechanic or an enthusiastic DIYer, the C5790-066 Cometic MLS Headgasket is essential for optimizing your engine’s performance.
Elevate your engine’s sealing capabilities with the C5790-066 Cometic GM LS1 MLS Headgasket—where quality meets performance!






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