RameyRacing Head Gasket – for Mercury© 450/500R

Cometic Head Gasket Package – Mercury 450R

Built for high-performance applications, the Cometic Head Gasket Package for the Mercury 450R is designed to handle extreme cylinder pressures and elevated RPM levels without compromise.

Manufactured by Cometic using multi-layer steel (MLS) construction, these head gaskets provide superior sealing, durability, and consistency under the most demanding marine conditions. Whether you’re pushing stock limits or running a fully built engine, this package ensures reliable combustion sealing and long-term performance.

Each gasket is engineered for precise fitment on the Mercury 450R platform, maintaining proper bore sealing and fluid containment while supporting increased boost and horsepower levels.

Features:

    •    MLS (multi-layer steel) construction for maximum strength and sealing

    •    Designed for high cylinder pressure and performance builds

    •    Precision fitment for Mercury 450R engines

    •    Ideal for both naturally aspirated and boosted applications

    •    Proven reliability in high-performance marine environments

When failure isn’t an option, Cometic delivers the sealing performance you can trust.