Cometic C4591-027 MLS Cylinder Head Gasket Bore Mitsubishi - 87mm 4G63T

The Cometic C4591-027 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Mitsubishi 4G63T DOHC engines. This gasket features a precision 87mm bore diameter and .027" (0.69mm) compressed thickness, making it ideal for modified and high-boost turbocharged applications.

Key Specifications:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• 87mm bore diameter optimized for the 4G63T engine platform
• .027" compressed gasket thickness
• Direct fit for Mitsubishi Lancer Evolution IV through VIII (Evo 4-8)
• DOHC 16-valve configuration
• Designed to withstand high cylinder pressures in turbocharged applications

Cometic's MLS gaskets feature multiple layers of stainless steel with advanced coating technology that provides exceptional resistance to combustion gases and coolant. The embossed sealing beads ensure even pressure distribution across the sealing surface, while the material's flexibility allows it to conform to minor surface imperfections. This gasket is engineered for enthusiasts running increased boost pressures or engine builders seeking reliable sealing in performance street and race applications.

Application Note: This gasket is compatible with Mitsubishi 4G63T DOHC engines found in Evolution IV, V, VI, VII, and VIII models. It is not compatible with earlier SOHC variants or Evolution IX and later models with different bore specifications.