Cometic C4148-089 BMC A-Series MLS Cylinder Head Gasket Bore - 1275 74mm

The Cometic C4148-089 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for BMC 1275 A-Series engines. This high-performance gasket features a 74mm bore diameter and .089" compressed thickness, making it ideal for classic British automotive applications including Mini Cooper, MG Midget, and Austin-Healey Sprite models equipped with the legendary A-Series powerplant.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• 74mm bore diameter engineered for BMC 1275cc A-Series engines
• .089" (2.26mm) compressed thickness
• Exceeds OEM specifications for reliability and performance
• Resistant to extreme temperatures and combustion pressures
• Accommodates mild to moderate performance builds

Cometic's MLS gasket technology uses multiple layers of stainless steel with advanced coating systems to maintain seal integrity under demanding conditions. The embossed design ensures consistent clamping pressure across the entire sealing surface, while the flexible construction accommodates minor surface imperfections and thermal expansion. This gasket is an excellent choice for engine rebuilds, restorations, or performance upgrades on classic BMC A-Series engines.