Cometic C5454-045 Chrysler Hemi MLS Cylinder Head Gasket Bore - Gen-2 4.280 045

The Cometic C5454-045 is a Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Chrysler Gen-2 Hemi engines. This precision-manufactured gasket features a 4.280-inch bore diameter and a compressed thickness of .045 inches, providing exceptional sealing performance for high-performance and modified engines.

Key Features:

• Multi-Layer Steel construction for superior durability and heat resistance
• 4.280-inch bore diameter accommodates stock and oversized pistons
• .045-inch compressed thickness for optimal compression ratio tuning
• Designed specifically for Chrysler Gen-2 Hemi engines (5.7L/6.1L/6.4L platforms)
• Stopper layer and embossments around combustion chamber and oil passages for enhanced sealing
• Resistant to extreme temperatures and pressures in high-performance applications

Cometic MLS gaskets are the preferred choice for engine builders and performance enthusiasts who demand maximum reliability. The multi-layer design allows for minor surface imperfections while maintaining excellent sealing integrity, making them ideal for both street and race applications. This gasket helps prevent combustion leaks, coolant seepage, and oil contamination even under extreme boost or high compression conditions.