Cometic C4152-059 Cylinder Head Gasket for Triumph - TR3B/TR4/TR4A

The Cometic C4152-059 is a precision-engineered cylinder head gasket designed specifically for Triumph TR3B, TR4, and TR4A classic British sports cars. This gasket features Cometic's advanced CFM-20 (Chemically Blown Composite) material construction, providing superior sealing performance and durability for your vintage engine rebuild.

Key Specifications:

• Compressed thickness: .059 inches (1.5mm) for optimal compression ratio
• Bore size: 88mm to match factory cylinder dimensions
• CFM-20 composite material resists combustion pressure and thermal cycling
• Multi-layer construction with rubber-coated steel core
• OEM replacement for Triumph 4-cylinder wet sleeve engines

Features & Benefits:

• Superior conformability to sealing surfaces compared to traditional composite gaskets
• Excellent resistance to oil, coolant, and combustion gases
• No retorquing required after initial installation
• Manufactured in the USA with strict quality control standards
• Ideal for street, restoration, and performance applications

Cometic's CFM-20 gaskets are engineered for enthusiasts who demand reliable sealing without the complexity of MLS (Multi-Layer Steel) gaskets. Perfect for classic Triumph restorations where maintaining proper compression ratios and authentic engine specifications is critical.