Cometic C5249-084 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

The Cometic C5249-084 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Chevrolet Generation 1 Small Block V8 engines. This precision-manufactured gasket features a .084" compressed thickness and is designed for 4.200" bore applications, making it ideal for performance builds and engine rebuilds requiring reliable sealing under extreme conditions.

Key Features:

• Multi-Layer Steel (MLS) construction provides superior sealing and durability compared to traditional composite gaskets
• .084" (84 thousandths) compressed thickness for precise compression ratio tuning
• 4.200" bore diameter accommodates stock and slightly oversized cylinder bores
• Compatible with both 18-degree and 23-degree cylinder head angles
• Round bore configuration for optimal combustion chamber sealing
• Includes steam hole passages for proper coolant circulation
• Embossed stainless steel layers with elastomeric coating ensure exceptional combustion sealing
• Reusable design allows for disassembly and reassembly during engine development

Cometic MLS gaskets are a popular choice among engine builders and performance enthusiasts due to their ability to withstand high cylinder pressures, extreme temperatures, and engine movement. The multiple stainless steel layers with synthetic elastomer coating create a superior seal that accommodates thermal expansion and block/head distortion better than conventional gaskets. This gasket is designed for Chevrolet Small Block V8 engines including 262, 265, 267, 283, 302, 305, 307, 327, 350, and 400 cubic inch variants with compatible bore sizes and head angles.