Cometic C4145-080 BMC 948/1098 A Series Copper Head Gasket 67.5mm Bore

The Cometic C4145-080 is a precision-engineered copper cylinder head gasket designed specifically for BMC 948cc and 1098cc A-Series engines. This high-performance gasket features a .080" (2.0mm) compressed thickness and a 67.5mm bore diameter, making it ideal for classic British vehicles including Austin, Morris, MG, and Mini applications.

Key Features:

• Premium copper construction for superior heat dissipation and sealing performance
• .080" compressed thickness allows for precise compression ratio tuning
• 67.5mm bore diameter accurately matches BMC A-Series cylinder specifications
• Manufactured using Cometic's proprietary AFM (Aluminum Foam Material) technology with copper face layers
• Excellent for high-performance and racing applications requiring enhanced durability
• Compatible with both stock and modified engine builds

Cometic head gaskets are known for their ability to withstand extreme cylinder pressures and temperatures while maintaining a reliable seal. The copper construction provides exceptional thermal conductivity, helping to transfer heat away from critical sealing areas. This gasket is particularly well-suited for vintage BMC A-Series engine rebuilds and performance upgrades where precise head gasket thickness selection is essential for achieving desired compression ratios.