Cometic C4484-054 MLS Cylinder Head Gasket Bore Mitsubishi - 90mm 0.054 4B11T

The Cometic C4484-054 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for the Mitsubishi 4B11T turbocharged engine. This premium gasket features a 90mm bore diameter and 0.054-inch compressed thickness, making it ideal for stock to moderately boosted applications.

Key Specifications:

• Compressed thickness: 0.054 inches (1.37mm)
• Bore diameter: 90mm (3.543 inches)
• Multi-Layer Steel (MLS) construction for superior sealing
• Application: Mitsubishi 4B11T engine (Lancer Evolution X, Ralliart)

Features and Benefits:

• Multiple layers of stainless steel provide excellent sealing under high cylinder pressures
• Precision manufacturing ensures consistent thickness and bore accuracy
• Accommodates mild thermal expansion and cylinder head movement
• Suitable for street, strip, and road racing applications
• Recommended for engines running up to moderate boost levels

Cometic's MLS head gaskets are designed to seal more effectively than traditional composite gaskets, with the multi-layer design distributing load evenly across the sealing surfaces. The 0.054-inch thickness works well with stock or mildly resurfaced cylinder heads, helping maintain proper compression ratios and engine performance.