Cometic C5246-140 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.100 V8

The Cometic C5246-140 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for Chevrolet Gen-1 Small Block V8 engines. This high-performance gasket features a .140" compressed thickness and is manufactured to accommodate a 4.100" bore diameter, making it ideal for performance builds and engine rebuilds requiring reliable sealing at the head-to-block interface.

Key Specifications:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• Compressed thickness: .140 inches (140 thousandths)
• Bore diameter: 4.100 inches
• Compatible with 18-degree and 23-degree cylinder heads
• Round bore configuration
• Application: Chevrolet Gen-1 Small Block V8 engines

Features and Benefits:

• MLS technology provides maximum conformability to deck surface imperfections
• Excellent resistance to combustion pressure and thermal cycling
• Eliminates the need for additional sealants in most applications
• Maintains consistent clamping load across the entire gasket surface
• Engineered for high-performance and racing applications

Cometic Gasket is a trusted name in performance engine sealing solutions, utilizing advanced materials and manufacturing processes to deliver gaskets that meet the demanding requirements of professional engine builders and performance enthusiasts. This gasket is designed for use with aftermarket cylinder heads featuring 18-degree or 23-degree valve angles, common in high-performance small block Chevrolet applications.