Cometic C5666-075 Ford Series MLS Cylinder Head Gasket Bore - 385 4.400

The Cometic C5666-075 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Ford 385 Series big block engines. This precision gasket features a 4.400-inch bore diameter and 0.075-inch compressed thickness, making it ideal for custom engine builds and performance applications requiring precise compression control.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• 0.075-inch compressed thickness allows fine-tuning of compression ratios
• 4.400-inch bore diameter accommodates stock and oversized pistons
• Designed specifically for Ford 385 Series engines (429, 460)
• Provides excellent resistance to combustion pressure and thermal cycling
• Reusable design reduces long-term maintenance costs

Cometic MLS gaskets feature multiple layers of stainless steel with specialized coatings that create a superior seal between the cylinder head and engine block. The unique material composition allows the gasket to recover from extreme cylinder pressure and thermal expansion, making it an excellent choice for high-performance street engines, racing applications, and forced induction builds. Compatible with aluminum and iron cylinder heads.