Cometic C4323-075 Nissan MLS Cylinder Head Gasket Bore - RB30 87mm

The Cometic C4323-075 is a precision-engineered multi-layer steel (MLS) cylinder head gasket designed specifically for Nissan RB30 engines. This high-performance gasket features an 87mm bore diameter and a compressed thickness of .075 inches, providing optimal sealing and durability for both street and performance applications.

Key Features:

• Multi-layer steel (MLS) construction for superior strength and heat resistance
• 87mm bore diameter engineered for Nissan RB30 inline-six engines
• .075 inch (1.9mm) compressed gasket thickness
• Excellent sealing properties under extreme cylinder pressure and temperature
• Resistant to corrosion and thermal expansion
• Ideal for stock, turbocharged, and high-compression applications

Cometic MLS head gaskets utilize multiple layers of stainless steel with strategically placed embossments to provide even load distribution and superior sealing around combustion chambers, coolant passages, and oil return ports. The advanced material composition maintains consistent clamping force through repeated heat cycles, making this gasket an excellent choice for demanding performance builds and engine rebuilds.