Cometic C5861-056 MLS Cylinder Head Gasket for Subaru Bore - EZ30D 90mm

The Cometic C5861-056 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for the Subaru EZ30D flat-six engine, Mark I generation. This left-hand side (LHS) gasket features a 90mm bore diameter and a compressed thickness of .056 inches (1.42mm), providing reliable sealing performance for stock and modified applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• .056-inch compressed gasket thickness for precise compression ratio control
• 90mm bore diameter designed for Subaru EZ30D specifications
• Left-hand side (LHS) application—order two gaskets for complete engine rebuild
• Advanced embossment technology provides excellent micro-sealing properties
• Suitable for both stock and performance engine builds

Cometic MLS head gaskets utilize multiple layers of stainless steel with specialized coatings to withstand extreme cylinder pressures and temperatures. The gasket's ability to recover from thermal expansion and contraction makes it ideal for engines subjected to high heat and boost conditions. Each gasket is precision-manufactured to OEM specifications while offering enhanced reliability over traditional composite gaskets.

Application Note: This gasket is designed for the left cylinder head. A matching right-hand side gasket is required for complete installation.