Cometic C4145-043 BMC A-Series Copper Head Gasket - 948/1098 67.5mm

The Cometic C4145-043 is a precision-engineered copper cylinder head gasket designed specifically for BMC 948cc and 1098cc A-Series engines. This gasket features a .043-inch (1.09mm) compressed thickness and a 67.5mm bore diameter, making it ideal for classic British engine rebuilds and performance applications.

Key Features:

• 100% copper construction for superior heat dissipation and conformability
• .043-inch compressed thickness for precise compression ratio tuning
• 67.5mm bore diameter engineered for BMC A-Series engines
• Annealed copper material provides excellent sealing under high combustion pressures
• Reusable design when properly maintained and re-annealed
• Compatible with 948cc and 1098cc BMC A-Series applications including Mini, Sprite, and Midget

Cometic gaskets are manufactured using advanced materials and processes to ensure consistent quality and reliable performance. Copper head gaskets are particularly valued in vintage and performance applications for their ability to conform to slightly imperfect sealing surfaces and withstand repeated heat cycles. This gasket is designed to meet the exacting standards required for classic British engine restoration and high-performance builds.