Cometic C5883-055 MLS Cylinder Head Gasket for GM Duramax LB7/LLY/LBZ/LMM/LGH/LML

The Cometic C5883-055 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for GM Duramax diesel engines. This gasket is designed to provide superior sealing performance in high-stress, high-temperature applications where OEM gaskets may fail.

Key Specifications:

• Compressed thickness: 0.055 inches (55 thousandths)
• Bore size: 4.100 inches
• Multi-Layer Steel (MLS) construction for maximum durability
• Left-hand side (LHS) application
• Compatible with LB7, LLY, LBZ, LMM, LGH, and LML Duramax engine codes

Features and Benefits:

• MLS construction consists of multiple layers of stainless steel with advanced coating technology
• Provides superior resistance to blow-out and leak paths compared to standard gaskets
• Ideal for stock rebuilds, performance builds, and boosted applications
• Maintains proper seal under extreme cylinder pressure and temperature cycling
• Allows for thermal expansion and contraction without compromising seal integrity

Cometic gaskets are precision-manufactured using state-of-the-art computerized processes, ensuring consistent quality and fitment. The 0.055-inch thickness makes this gasket suitable for applications requiring slightly increased compression or when minor deck surface imperfections need to be accommodated. This gasket is sold individually and covers one cylinder head (driver's side).