Cometic C15514-051 MLS Cylinder Head Gasket GM Bore - LS1/LS2/LS3/LS6 4.070

The Cometic C15514-051 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for GM LS Gen-III and Gen-IV small block V8 engines, including LS1, LS2, LS3, and LS6 applications. This precision-manufactured gasket features a .051" compressed thickness and a 4.070" bore diameter, making it ideal for stock and moderately built LS engines.

Key Features:

• Multi-Layer Steel construction provides superior sealing and durability under high cylinder pressures
• 4.070" bore size accommodates stock and slightly overbored LS cylinders
• .051" compressed thickness allows for precise compression ratio tuning
• Embossed stainless steel outer layers with resilient sealing properties
• Engineered for GM Gen-III and Gen-IV LS small block V8 platforms
• Compatible with LS1, LS2, LS3, and LS6 engine applications
• Provides excellent resistance to thermal expansion and combustion pressure

Cometic MLS gaskets are the preferred choice for performance engine builders who demand reliable sealing in high-output applications. The multi-layer design conforms to cylinder head and block surfaces while maintaining consistent clamping force across the entire sealing area. Each gasket is sold individually—two gaskets required per engine.