Clevite HS55457A Cylinder Head Gasket Set - 6.4L Gen III Hemi Top End Kit

The Clevite HS55457A is a complete top-end cylinder head gasket set engineered for the 6.4L Mopar Gen III Hemi V8 engine. Produced under the MAHLE/Clevite brand — a trusted OEM supplier to automotive manufacturers worldwide — this kit delivers factory-level sealing performance for engine rebuilds and head gasket replacements.

MAHLE supplies head gaskets directly to original equipment manufacturers, which means this set meets the same exacting standards as the gaskets installed at the factory. Each component is precision-manufactured to restore proper compression, coolant, and oil sealing across the top end of the engine.

Key Features:

• Complete top-end kit — includes all gaskets needed for cylinder head removal and reinstallation
• OEM-equivalent quality — manufactured to factory specifications for the Gen III Hemi 6.4L engine
• Precise fit — engineered to match OEM bore size, thickness, and sealing bead placement
• Durable materials — constructed from high-quality composite and/or multi-layer steel (MLS) materials for long-lasting sealing integrity
• Macro and micro sealing — provides secure sealing against combustion gases, coolant, and oil passages
• Replaces worn or failed OEM head gaskets and related top-end sealing components

The Clevite HS55457A is the correct top-end gasket set choice for the 6.4L Gen III Hemi platform, making it well-suited for performance rebuilds, overhaul projects, and routine head gasket service. Trust MAHLE/Clevite's OEM heritage for a reliable, long-lasting repair.