Cometic C5751-089 MLS Cylinder Head Gasket GM Gen III/IV Bore - for LS1/LS2/LS3/LS6 4.060

The Cometic C5751-089 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for GM LS Gen-3 and Gen-4 small block V8 engines, including LS1, LS2, LS3, and LS6 applications. Featuring a precision 4.060-inch bore diameter and .089-inch compressed thickness, this gasket provides exceptional sealing performance for stock and modified engines.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• 4.060" bore diameter accommodates standard and slightly overbored LS engines
• .089" compressed thickness for precise compression control
• Designed for LS1, LS2, LS3, and LS6 Gen-3 and Gen-4 small block V8 engines
• Embossed stainless steel layers with advanced coating technology
• Excellent heat resistance and combustion sealing
• Ideal for performance builds, forced induction, and high-compression applications

Cometic MLS gaskets feature multiple layers of stainless steel with a polymer coating that provides exceptional resistance to temperature extremes and combustion pressure. The embossed active sealing area ensures consistent clamping force distribution and superior sealing performance compared to composite gaskets. This gasket is a direct replacement for stock applications and is widely used in performance builds requiring reliable cylinder head sealing.