Supertech BMW M52/M54B25 86mm Dia 1.50mm Thick High Boost Cooper Ring Head Gasket

This is a Supertech high boost copper ring head gasket specifically made for BMW M52 and M54B25 engines. It features an 86mm bore diameter and a 1.50mm thickness, designed to handle increased cylinder pressures often found in high boost applications. A properly sealing head gasket is crucial for maintaining compression and preventing coolant and oil leaks between the engine block and cylinder head.

The copper ring design offers excellent sealing capabilities under high-stress conditions. This gasket is well-built for performance builds where stock components might not hold up. Its precise dimensions ensure it fits right onto the specified BMW engine blocks, making it a solid option for enthusiasts looking to push their M52 or M54B25 beyond factory limits.

When installing this gasket, ensure both the block and head surfaces are perfectly clean and flat. Refer to the manufacturer's installation instructions for specific torque sequences and any required sealants to achieve optimal performance and longevity.