Cometic C5273-098 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

The Cometic C5273-098 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Chevrolet Generation 1 Small Block V8 engines. This gasket features a .098" compressed thickness and is designed for engines with a 4.200" bore diameter, making it ideal for performance and racing applications where precise sealing and durability are critical.

Key Features:

• Multi-Layer Steel (MLS) construction provides superior sealing and durability under high combustion pressures
• .098" (2.5mm) compressed thickness for optimal compression ratio tuning
• 4.200" bore diameter accommodates overbored or stroker engine builds
• Valve pocketed design provides clearance for performance valve trains and prevents contact issues
• Compatible with both 18-degree and 23-degree cylinder heads
• Integrated steam holes for proper coolant circulation and heat management
• Embossed stainless steel layers with Viton rubber coating ensure maximum sealing capability

Cometic MLS gaskets are the industry standard for high-performance and racing engines, offering exceptional resistance to blow-out and the ability to withstand extreme thermal cycling. The pocketed bore design and steam hole configuration make this gasket compatible with both stock and modified Gen-1 Small Block Chevrolet engines, including 265, 283, 302, 327, 350, and 400 cubic inch variants with performance cylinder heads.