Cometic H3115SP7040S MLS Head Gasket Mazda Miata BP 1.8L 83.5mm Bore 0.040" Thick

The Cometic H3115SP7040S is a high-performance Multi-Layer Steel (MLS) head gasket engineered specifically for 1994-2000 Mazda Miata models equipped with the BP 1.8L 16-valve DOHC engine. This precision-manufactured gasket features an 83.5mm bore diameter, which is 0.020 inches over the standard bore size, and measures 0.040 inches (1.0mm) in thickness, making it ideal for performance builds and custom engine applications.

Key Features:

• Multi-Layer Steel construction with embossed layers of proprietary high-temperature coated and uncoated stainless steel
• 83.5mm bore diameter (+0.020 inches oversize) accommodates overbored cylinders
• 0.040 inch (1.0mm) compressed thickness for precise compression ratio tuning
• Requires less clamp load and creates less bore distortion than conventional gaskets
• Load-controlled embossments conform to sealing surfaces for optimal load distribution
• Superior sealing performance under extreme pressure and temperature conditions
• Custom built to order for exact fitment and specifications

Cometic's MLS head gaskets are trusted by performance enthusiasts and professional engine builders worldwide. The advanced multi-layer design provides exceptional durability and reliability in high-performance and racing applications, while the precision-engineered embossments ensure a superior seal across the entire combustion chamber surface.