Cometic C5334-120 GM Gen V/VI Big Block MLS Head Gasket Bore - V8 4.630

The Cometic C5334-120 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for GM Generation V and Generation VI Big Block V8 engines. This high-performance gasket features a 4.630-inch bore diameter and .120-inch compressed thickness, providing exceptional sealing and durability for both street and racing applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and combustion pressure containment
• 4.630-inch bore diameter designed for GM Big Block V8 applications
• .120-inch (3.05mm) compressed gasket thickness
• Compatible with Generation V and Generation VI GM Big Block engines
• Embossed stainless steel layers with proprietary coating for optimal sealing
• Excellent recovery characteristics under extreme thermal cycling
• Accommodates minor surface imperfections while maintaining seal integrity

Cometic MLS head gaskets are manufactured using multiple layers of stainless steel with advanced polymer coatings, allowing them to withstand extreme cylinder pressures and temperatures. The unique design provides even load distribution across the sealing surface and superior resistance to blown gaskets, making this gasket an excellent choice for high-performance street engines, race applications, and forced induction setups.