Cometic C5641-060 GM Mercury Marine Gen-IV MLS Cylinder Head Gasket 4.600" Bore .060"

The Cometic C5641-060 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for GM and Mercury Marine Gen-IV big block V8 engines with a 1050 cubic inch displacement. This high-performance gasket features a 4.600-inch bore diameter and .060-inch compressed thickness, providing exceptional sealing capabilities for high-performance and marine applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior strength and durability
• 4.600-inch bore diameter designed for Gen-IV big block engines
• .060-inch compressed thickness for precise compression control
• Includes 2 slotted lifter valley bolt holes for proper installation
• Engineered for both GM automotive and Mercury Marine applications
• Advanced sealing technology withstands extreme temperatures and pressures
• Embossed stainless steel layers with Viton rubber coating

Cometic MLS gaskets utilize multiple layers of stainless steel with specialized coatings to create a gasket that conforms to sealing surfaces and recovers quickly during thermal cycling. This design is ideal for high-compression engines, forced induction applications, and demanding marine environments where reliability is critical.