Cometic C5249-095 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

The Cometic C5249-095 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Chevrolet Generation 1 Small Block V8 engines. This gasket features a .095" (95 thousandths) compressed thickness and is designed for engines with a 4.200" bore diameter, making it ideal for performance and racing applications where oversized bores are common.

Key Specifications:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• Compressed thickness: .095 inches
• Bore diameter: 4.200 inches (round bore design)
• Compatible with 18-degree and 23-degree cylinder heads
• Includes steam holes for proper coolant circulation
• Designed for Chevrolet Gen-1 Small Block V8 engines (265, 283, 302, 305, 327, 350, 400)

Advanced MLS Technology:

• Multiple layers of stainless steel provide maximum sealing capability
• Accommodates minor surface imperfections and thermal expansion
• Resists blow-out better than traditional composite gaskets
• Maintains consistent clamping pressure under extreme conditions
• Requires proper surface preparation and torque specifications

Cometic MLS gaskets are the choice of professional engine builders and racers worldwide. The .095" thickness allows for precise compression ratio tuning in high-performance applications. This gasket is compatible with both aluminum and cast iron cylinder heads when used with properly prepared surfaces (30 RA or smoother finish recommended).