Cometic C5445-040 MLS Cylinder Head Gasket for Chrysler Gen-2 Hemi 4.250" Bore

The Cometic C5445-040 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Chrysler Gen-2 Hemi engines. This high-performance gasket features a 4.250-inch bore diameter and a compressed thickness of .040 inches, providing an excellent balance of sealing performance and compression control.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• .040-inch compressed gasket thickness for optimal compression ratio tuning
• 4.250-inch bore diameter designed for Gen-2 Hemi applications
• Engineered to withstand extreme cylinder pressures and temperatures
• Allows for minute amounts of movement between head and block
• Requires proper surface finish (30 RA or smoother recommended)

Cometic MLS gaskets are constructed from multiple layers of stainless steel, providing the strength and flexibility needed for high-performance and racing applications. The embossed layers create a seal around combustion chambers, coolant passages, and oil return holes, while the resilient construction accommodates engine movement and thermal expansion. This gasket is ideal for street performance, forced induction, and racing applications on 5.7L and 6.1L Hemi engines.