Cometic C5456-040 Chrysler LA MLS Cylinder Head Gasket Bore Thick - V8 4.180 040

The Cometic C5456-040 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket designed specifically for Chrysler LA small-block V8 engines. Engineered with a 4.180-inch bore diameter and .040-inch compressed thickness, this gasket provides superior sealing for a wide range of street and performance applications.

Key Features:

• Multi-Layer Steel (MLS) construction for maximum durability and conformability
• 4.180-inch bore diameter to accommodate standard and slightly overbored LA V8 engines
• .040-inch compressed thickness for precise compression ratio tuning
• Exceeds OEM specifications for sealing and reliability
• Resistant to extreme temperatures and combustion pressure
• Embossed stainless steel layers with FKM (Viton) rubber outer layer
• Compatible with aluminum and cast iron cylinder heads

Cometic MLS gaskets feature multiple layers of stainless steel with elastomeric coatings that compensate for surface imperfections and provide superior rebound characteristics. The embossed design focuses sealing pressure around critical areas like combustion chambers and coolant passages. This gasket is ideal for street performance, racing, and forced induction applications on Chrysler 273, 318, 340, and 360 cubic inch LA-series engines.