Cometic H1528SPH051S MLS Head Gasket Bore Mitsubishi Evo - 87mm 051 4G63 4-8

The Cometic H1528SPH051S is a high-performance Multi-Layer Steel (MLS) head gasket engineered specifically for Mitsubishi Lancer Evolution 4-8 models equipped with the 4G63 turbocharged engine. This precision-manufactured gasket features an 87mm bore diameter and a compressed thickness of .051 inches (1.3mm), making it ideal for both stock rebuilds and performance applications.

Key Features:

• Multi-Layer Steel (MLS) construction provides superior sealing and durability under high boost and compression
• 87mm bore diameter optimized for 4G63 engines in Evo 4-8 applications
• .051" (1.3mm) compressed thickness for precise compression ratio tuning
• Embossed stainless steel layers with Viton rubber sealing beads ensure maximum combustion seal
• Handles extreme cylinder pressures in turbocharged and high-performance applications
• Requires proper surface preparation (RA finish 50 or better recommended)

Cometic MLS head gaskets are the preferred choice for professional engine builders and enthusiasts seeking reliability in demanding performance environments. The multi-layer design allows the gasket to adapt to minor surface imperfections while maintaining exceptional sealing integrity under thermal cycling and high cylinder pressures.