Cometic C4318-045 MLS Cylinder Head Gasket for Nissan RB25DE/RB25DET 87mm Bore

The Cometic C4318-045 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Nissan RB25DE and RB25DET engines. This precision-manufactured gasket features an 87mm bore diameter and .045" (1.14mm) compressed thickness, providing exceptional sealing capability for both stock and modified applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior strength and durability
• 87mm bore diameter designed for RB25 engine specifications
• .045" compressed thickness for optimal compression ratio
• Advanced embossment technology ensures maximum sealing pressure
• Compatible with Nissan RB25DE and RB25DET inline-six engines
• Ideal for turbocharged and high-performance applications
• Eliminates the need for sealants or re-torquing

Cometic MLS gaskets feature multiple layers of stainless steel with elastomeric coatings that respond to flange motion and compression changes, making them the preferred choice for engines producing significant boost pressure or horsepower. The gasket's design allows it to recover and maintain torque retention, even under extreme thermal cycling conditions common in performance and racing environments.