Cometic H4595042S MLS Head Gasket Bore Thickness - 4.590 042

The Cometic H4595042S is a high-performance Multi-Layer Steel (MLS) head gasket engineered for demanding street and racing applications. Featuring a 4.590-inch bore and 0.042-inch compressed thickness, this gasket delivers exceptional sealing performance across a wide range of engine builds.

Cometic's MLS head gaskets are manufactured using multiple layers of embossed stainless steel, providing superior sealing pressure and recovery compared to traditional composite gaskets. The MLS design is ideal for high-compression, forced induction, and high-horsepower engine builds where cylinder pressure and thermal cycling demand the most reliable head gasket available.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• 4.590-inch (4.590") bore diameter for precise fitment
• 0.042-inch compressed thickness for accurate compression ratio tuning
• Embossed stainless steel layers provide consistent sealing load
• Resistant to high cylinder pressures, extreme heat, and detonation
• Designed for use with properly prepared (decked and surfaced) cylinder heads and blocks
• Compatible with both naturally aspirated and forced induction applications

Cometic Gasket is a trusted name in professional motorsports and performance engine building, supplying teams and builders worldwide with precision-manufactured gaskets. The H4595042S is part of Cometic's extensive line of MLS head gaskets, available in multiple bore sizes and thicknesses to accommodate a variety of engine configurations.