Cometic C5633-089 Chrysler LA MLS Cylinder Head Gasket Bore - V8 4.040

The Cometic C5633-089 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket designed specifically for Chrysler LA small-block V8 engines. This precision-engineered gasket features a 4.040-inch bore diameter and .089-inch compressed thickness, making it ideal for performance builds and engine rebuilds requiring superior sealing capabilities.

Key Features:

• Multi-Layer Steel (MLS) construction for maximum durability and superior sealing
• 4.040-inch bore diameter accommodates stock and slightly over-bored cylinders
• .089-inch compressed thickness (approximately .090-inch)
• Engineered specifically for Chrysler LA small-block V8 engines (273, 318, 340, 360)
• Advanced embossment technology provides even load distribution
• Withstands extreme cylinder pressures in high-performance applications
• Reusable design allows for multiple installations when properly handled

Cometic MLS gaskets utilize multiple layers of stainless steel with elastomeric coatings to create a gasket that conforms to surface imperfections while maintaining exceptional combustion seal integrity. This gasket is an excellent choice for street performance, racing, and forced induction applications where reliability under extreme conditions is critical.