Cometic C8898 MLS Head Gasket Bore Thickness - 91mm 027

The Cometic C8898 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered for maximum sealing performance in high-output engines. This gasket features a 91mm bore diameter and a .027" compressed thickness, making it an ideal replacement or upgrade for sport motorcycle applications.

Multi-Layer Steel Construction:

• Comprised of multiple embossed layers of stainless steel for superior strength and durability
• Outer layers feature Viton rubber coating on both sides for exceptional heat resistance up to 482°F (250°C)
• Load Control Embossments (LCE) promote even torque distribution across the sealing surface
• Reduces bore distortion and improves piston ring seal for increased power output
• Requires no additional sealants for proper installation

Key Benefits:

• Excellent for both aluminum-to-aluminum and aluminum-to-cast iron applications
• Withstands shearing forces created by dissimilar materials
• Enhanced rebound characteristics and superior corrosion resistance
• No re-torque required after installation
• Precision-manufactured for consistent sealing performance

Cometic MLS gaskets are the preferred choice for motorsports professionals and enthusiasts seeking reliable, high-performance engine sealing solutions that can withstand extreme operating conditions.