Cometic C5246-089 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.100

The Cometic C5246-089 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Generation 1 Chevrolet Small Block V8 engines. This precision-manufactured gasket features a .089" (2.26mm) compressed thickness and is designed for engines with a 4.100" bore diameter, making it ideal for performance builds and engine rebuilds requiring reliable sealing under high compression and extreme temperatures.

Key Specifications:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• Compressed thickness: .089 inches (2.26mm)
• Bore diameter: 4.100 inches
• Compatible with 18-degree and 23-degree cylinder heads
• Round bore design
• Application: Chevrolet Generation 1 Small Block V8 engines

Why Choose MLS Gaskets:

• Multiple layers of stainless steel provide excellent recovery and conform to sealing surfaces
• Withstands extreme cylinder pressures in high-performance and forced induction applications
• Superior heat resistance compared to traditional composite gaskets
• Eliminates the need for sealants when surfaces are properly prepared
• Reusable in many applications when removed carefully

Cometic Gaskets are manufactured in the USA using proprietary materials and processes, ensuring consistent quality and reliability for racing and performance applications. Proper surface preparation (RA finish of 50 or smoother) is recommended for optimal MLS gasket performance.