Cometic C4323-066 Nissan MLS Cylinder Head Gasket Bore - RB30 87mm

The Cometic C4323-066 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Nissan RB30 inline-six engines. This gasket features a compressed thickness of .066 inches and an 87mm bore diameter, making it ideal for stock rebuilds and performance applications.

Key Features:

• Multi-Layer Steel construction provides superior sealing and durability under high-pressure conditions
• .066-inch (1.68mm) compressed thickness for precise compression ratio tuning
• 87mm bore diameter designed for RB30 engine specifications
• Advanced embossment technology ensures even clamping pressure across the entire sealing surface
• Resistant to combustion leaks, coolant seepage, and oil migration
• Suitable for turbocharged and naturally aspirated applications

Cometic MLS gaskets utilize multiple layers of stainless steel with specialized coatings to accommodate thermal expansion and engine movement while maintaining a reliable seal. This gasket is designed to handle the demands of high-performance RB30 builds, providing the reliability and precision that engine builders trust.