Cometic C4234-070 MLS Cylinder Head Gasket Bore Mitsubishi - 86mm 4G63 4G63T

The Cometic C4234-070 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Mitsubishi 4G63 and 4G63T DOHC engines. This precision gasket features an 86mm bore diameter and .070" (1.78mm) compressed thickness, making it ideal for turbocharged and high-boost applications where increased combustion sealing and durability are critical.

Key Features:

• Multi-Layer Steel construction provides superior sealing and durability under extreme cylinder pressures
• 86mm bore diameter optimized for 4G63/4G63T engine configurations
• .070" compressed thickness allows for increased compression ratio tuning and deck surface correction
• DOHC engine compatible (excludes Evo 4-9 models)
• Embossed stainless steel layers with elastomer coating ensure maximum sealing across combustion chambers, oil passages, and coolant ports
• Designed to withstand high horsepower, high boost, and extreme temperature cycling

Cometic MLS gaskets are the preferred choice for performance engine builders and racers who demand reliable sealing in demanding applications. The multi-layer design allows the gasket to adapt to minor surface imperfections while maintaining exceptional blowout resistance. Compatible with Mitsubishi 4G63 and 4G63T DOHC engines found in DSM platform vehicles, older Eclipse models, and various other applications (excludes Evolution 4-9 models).