Cometic C5401-060 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.135

The Cometic C5401-060 is a high-performance multi-layer steel (MLS) cylinder head gasket engineered specifically for Chevrolet Generation I Small Block V8 engines. This precision-manufactured gasket features a 4.135-inch bore diameter and .060-inch compressed thickness, making it ideal for performance builds and engine rebuilds requiring precise deck height control.

Key Features:

• Multi-layer steel construction provides superior sealing and durability under high cylinder pressures
• 4.135-inch bore diameter accommodates standard and slightly overbored small block Chevy applications
• .060-inch compressed thickness allows for precise compression ratio tuning
• Designed for aftermarket cylinder heads with undersized water ports for custom port matching
• Embossed stainless steel with Viton rubber gasket material coating ensures reliable combustion sealing
• Compatible with Gen-1 Small Block Chevy engines (262-400 cubic inches)

Cometic's MLS gaskets feature multiple layers of stainless steel with strategically placed embossments that provide enhanced sealing around combustion chambers, oil passages, and coolant ports. The undersized water ports on this gasket allow engine builders to customize port sizing and placement to match specific aftermarket cylinder head configurations, ensuring optimal coolant flow without compromising head gasket integrity.