Cometic C4148-075 BMC A-Series MLS Cylinder Head Gasket Bore - 1275 74mm

The Cometic C4148-075 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 .075" (1.9mm) compressed thickness, providing superior sealing capability for classic British engine builds.

Key Features:

• Multi-Layer Steel (MLS) construction for superior strength and durability
• 74mm bore diameter optimized for BMC 1275 A-Series applications
• .075" compressed thickness for precise compression control
• Advanced sealing technology prevents combustion leak paths
• Engineered to withstand extreme cylinder pressures and temperatures
• Compatible with stock and performance engine builds

Cometic MLS gaskets utilize multiple layers of stainless steel with specialized coatings to create a reliable seal between the cylinder head and engine block. This design allows for micro-movement and flexing while maintaining consistent clamping pressure across the entire sealing surface, making it ideal for both street and racing applications on classic Mini, Sprite, Midget, and other A-Series powered vehicles.