Cometic C5933-140 GM LSX Small Block Cylinder Head Gasket Bore - Gen-4 V8 4.125

The Cometic C5933-140 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for GM LSX Gen-4 small block V8 engines. This precision-manufactured gasket features a .140" compressed thickness and is designed to accommodate a 4.125" bore diameter, making it ideal for performance builds and racing applications.

Key Features:

• Multi-Layer Steel (MLS) construction provides superior sealing and durability under extreme conditions
• .140" (3.56mm) compressed thickness allows for precise compression ratio tuning
• 4.125" bore diameter designed for LSX Gen-4 applications including LS2, LS3, LS7, and compatible aftermarket blocks
• Compatible with Right Hand Side (RHS) cylinder heads
• Advanced material technology ensures excellent heat resistance and optimal cylinder sealing
• Engineered to withstand high boost and extreme combustion pressures

Cometic gaskets utilize multiple layers of stainless steel with unique coatings to provide maximum sealing performance in high-performance and racing environments. The MLS design allows the gasket to move with the engine's thermal expansion and contraction cycles while maintaining superior sealing integrity. This gasket is an excellent choice for street performance builds, road racing, drag racing, and other high-stress applications where reliability is critical.