Cometic C5889-053 GM Small Block MLS Cylinder Head Gasket - LS7 Gen-4 V8

The Cometic C5889-053 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for GM LS7 Gen-4 small block V8 engines with aftermarket sleeves. This precision gasket features a .053" compressed thickness and is designed for 4.150" bore applications, making it ideal for high-performance and racing builds that require reliable sealing under extreme cylinder pressures.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• .053" (1.35mm) compressed gasket thickness
• 4.150" bore diameter - designed for aftermarket sleeve applications
• Engineered specifically for GM LS7 Gen-4 small block V8 engines
• Embossed stainless steel layers with Viton rubber coating
• Provides excellent resistance to combustion pressure and thermal cycling
• Reusable in most applications when properly installed

Cometic's MLS gaskets are a proven choice for high-performance and racing applications, offering the durability and reliability needed for boosted, nitrous, and naturally aspirated builds. The multi-layer design allows the gasket to recover and seal effectively even under extreme conditions, while the Viton coating ensures superior chemical resistance to modern fuels and oils.

Note: This gasket is designed for use with aftermarket sleeves only. Proper surface preparation and installation torque specifications are critical for optimal performance.