Cometic C5411-086 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.060

The Cometic C5411-086 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for Chevrolet Generation 1 Small Block V8 engines. This high-performance gasket features a 4.060" bore diameter with valve pocketed design, making it ideal for performance builds and applications using Vortec cylinder heads.

Key Specifications:

• Compressed thickness: .086" (2.18mm) for precise combustion sealing
• Bore diameter: 4.060" to accommodate oversized pistons
• Multi-Layer Steel (MLS) construction for superior durability and heat resistance
• Valve pocketed bore design prevents valve-to-gasket interference
• Compatible with GM Vortec cylinder heads
• Fits Chevrolet Gen-1 Small Block V8 engines (265, 283, 302, 305, 327, 350, 400)

Features & Benefits:

• MLS construction provides maximum cylinder sealing under extreme pressures and temperatures
• Eliminates gasket failure common with traditional composite head gaskets in high-performance applications
• Reusable design allows for multiple installations when properly maintained
• Precision-cut embossments ensure optimal compression and sealing
• Ideal for turbocharged, supercharged, and high-compression naturally aspirated engines

Cometic Gaskets are manufactured in the USA using premium materials and advanced manufacturing processes. The MLS technology features multiple layers of stainless steel with elastomeric coatings that adapt to minor surface imperfections while maintaining superior combustion sealing.