Cometic C15552-051 Ford Windsor MLS Cylinder Head Gasket Bore Thick - 4.150 051

The Cometic C15552-051 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered for unique Ford small block applications. This gasket is specifically designed to mate a Ford Boss 302 cylinder head (1969-1970) to a 351 Cleveland block, enabling builders to utilize the superior Boss 302 heads on the larger displacement 351C platform.

Key Specifications:

• Bore Size: 4.150 inches
• Compressed Thickness: .051 inches (51 thousandths)
• Multi-Layer Steel (MLS) construction for superior sealing and durability
• Left-hand side (LHS) gasket - order two for complete set
• Application: Ford Boss 302 head on 351 Cleveland block

Performance Benefits:

• MLS construction provides exceptional resistance to combustion pressure and thermal cycling
• Precision-manufactured for accurate bore alignment and consistent compression sealing
• Engineered to handle high-performance and racing applications
• Allows use of desirable Boss 302 cylinder heads on 351C builds for improved flow characteristics

Cometic's MLS gaskets feature multiple layers of stainless steel with advanced coating technology to ensure optimal sealing under extreme conditions. This gasket is ideal for street performance, drag racing, and road racing applications where reliability and consistent sealing are critical. Note that this is a single gasket for the left-hand side; a matching right-hand side gasket is required for complete installation.