Cometic C5489-075 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.100

The Cometic C5489-075 is a premium 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 platforms. This gasket features a 4.100-inch bore diameter and a compressed thickness of .075 inches (0.075"), making it ideal for stock and performance builds.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• 4.100" bore size accommodates stock and slightly overbored LS engines
• .075" compressed thickness for precise compression ratio control
• Compatible with LS1, LS2, LS3, LS6, and other Gen III/IV LS small block engines
• Engineered to withstand high cylinder pressures and extreme temperatures
• Exceptional resistance to blow-out and gasket failure
• Embossed stainless steel layers with elastomeric coatings for optimal sealing

Cometic's MLS gaskets are the choice of professional engine builders and performance enthusiasts worldwide. The advanced multi-layer design allows the gasket to adapt to minor surface imperfections while maintaining consistent clamping pressure across the entire sealing surface. This gasket is suitable for street, strip, and race applications where reliability is critical.