Cometic C5751-140 MLS Cylinder Head Gasket GM Bore - LS1/LS2/LS3/LS6 4.060

The Cometic C5751-140 is a multi-layer steel (MLS) cylinder head gasket specifically engineered for GM LS Gen-3 and Gen-4 small block V8 engines, including LS1, LS2, LS3, and LS6 applications. This precision gasket features a 4.060-inch bore diameter and 0.140-inch compressed thickness, making it ideal for performance builds and engine rebuilds requiring reliable sealing.

Key Features:

• Multi-layer steel construction provides superior sealing and durability under high compression and temperature conditions
• 4.060-inch bore diameter accommodates standard and mild performance bore sizes
• 0.140-inch compressed thickness allows for precise compression ratio tuning
• Compatible with GM LS1, LS2, LS3, and LS6 engines (Generation 3 and 4 small block V8)
• Engineered to handle high cylinder pressures in performance and forced induction applications
• Embossed stainless steel layers with advanced coating technology ensure optimal sealing

Cometic MLS gaskets are the preferred choice of engine builders and performance enthusiasts who demand maximum reliability. The multi-layer design allows the gasket to adapt to minor surface imperfections while maintaining consistent clamping pressure across the sealing surface, making it suitable for both street and track applications.