Cometic C5936-066 GM LSX MLS Cylinder Head Gasket Bore - Gen-4 4.185 066

The Cometic C5936-066 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for GM LSX Gen-4 Small Block V8 engines. This high-performance gasket features a 4.185-inch bore diameter and .066-inch compressed thickness, providing exceptional sealing capabilities for both stock and performance applications.

Key Features:

• Multi-Layer Steel construction for superior strength and heat resistance
• 4.185-inch bore diameter accommodates stock and slightly overbored cylinders
• .066-inch compressed thickness allows for precise compression ratio tuning
• Left-hand side (LHS) gasket for driver's side cylinder bank
• Designed for GM LSX Gen-4 Small Block V8 engines including LS2, LS3, LS7, and L92
• Coated surfaces enhance conformability and prevent corrosion
• Embossed stopper layers around combustion chamber for maximum sealing pressure

Cometic MLS gaskets feature multiple layers of stainless steel with viton rubber coating, providing the ability to rebound and seal minor surface imperfections. This gasket is ideal for performance builds, forced induction applications, and high-compression engines where reliable cylinder head sealing is critical. Sold individually—two gaskets required per engine.