Cometic C5217-051 Ford MLS Cylinder Head Gasket Bore Thick - 351 V8 4.125 051

The Cometic C5217-051 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Ford 351 V8 engines with Brodix aftermarket cylinder heads. This gasket features a .051" compressed thickness and 4.125" bore diameter, designed to meet ASCS (American Sprint Car Series) specifications for R452 block applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability under extreme conditions
• .051" compressed thickness provides optimal compression ratio for performance applications
• 4.125" bore diameter precisely matched to high-performance Ford 351 builds
• Engineered for R452 block and ASCS spec cylinder heads
• Compatible with Ford 351 V8 engines using Brodix aftermarket heads
• MLS design accommodates thermal expansion and engine movement better than conventional gaskets

Cometic MLS head gaskets utilize multiple layers of stainless steel with advanced coating technology to provide maximum sealing performance in racing and high-output street applications. The embossed design creates a superior seal around combustion chambers, coolant passages, and oil return holes while maintaining consistent clamp load across the entire gasket surface.