Cometic C5633-045 MLS Cylinder Head Gasket for Chrysler LA V8 4.040" Bore

The Cometic C5633-045 is a multi-layer steel (MLS) cylinder head gasket engineered specifically for Chrysler LA small block V8 engines. This precision gasket features a compressed thickness of .045 inches and accommodates a 4.040-inch bore diameter, making it ideal for performance and racing applications where reliability under extreme conditions is critical.

Key Features:

• Multi-layer steel construction provides superior sealing and durability
• .045-inch compressed thickness for optimal compression ratio tuning
• 4.040-inch bore diameter fits standard and mild overbore applications
• Designed for Chrysler LA small block V8 engines (273, 318, 340, 360 cubic inch)
• Excellent for high-performance, turbocharged, and supercharged applications
• Resists blowout and maintains seal integrity under high cylinder pressures

Cometic's MLS gaskets utilize multiple layers of stainless steel with precision-cut embossments that provide even load distribution and adapt to minor surface imperfections. The design ensures consistent sealing across the entire head surface, making this gasket an excellent choice for both street performance and competition engines requiring reliable head sealing.