Cometic C4578-052 MLS Cylinder Head Gasket for Subaru Engines - EJ25

The Cometic C4578-052 is a high-performance Multi-Layer Steel (MLX) cylinder head gasket engineered specifically for Subaru EJ25 series engines. This precision-manufactured gasket features a 101mm bore diameter and .052" (1.32mm) compressed thickness, making it ideal for both stock and modified applications.

Key Features:

• Multi-Layer Steel (MLX) construction for superior sealing and durability
• 101mm bore diameter optimized for EJ25 engine specifications
• .052" compressed thickness for precise compression ratio tuning
• Compatible with Subaru EJ25D, EJ251, EJ252, EJ253, EJ255 Version 1, and 2004-2006 EJ257 engines
• Advanced materials resist combustion pressure and temperature extremes
• Engineered to handle high-performance and forced induction applications

Cometic gaskets utilize multiple layers of stainless steel with advanced coating technologies to provide maximum sealing performance under extreme conditions. The MLX design allows for engine movement and expansion while maintaining optimal cylinder sealing, making this gasket suitable for street, track, and racing applications. Perfect for engine rebuilds, upgrades, or when addressing head gasket failure on compatible Subaru boxer engines.