4.040 MLX Head Gasket .051 GM LS1/LS2/LS3/LS6

The 4.040 MLX Head Gasket .051 GM LS1/LS2/LS3/LS6 from Cometic Gaskets is designed for builders and enthusiasts focused on high-performance LS engine builds. This multi-layer steel (MLX) gasket is crucial for sealing combustion pressures while effectively managing heat transfer in both forced-induction and naturally aspirated applications.

The gasket features multiple steel layers with a compressed asbestos-free facing, ensuring superior sealing integrity compared to OEM gaskets. Its .051-inch thickness is specifically calibrated for LS platform compression geometry, maintaining proper quench distance and combustion efficiency without requiring modifications to deck height.

This head gasket is ideal for LS1, LS2, LS3, and LS6 platforms, making it suitable for various applications including fourth and fifth-generation Camaros, Corvettes, Pontiac GTOs, and trucks. The 4.040-inch bore diameter accommodates both stock and overbored combinations, making it a versatile choice for everything from mild street engines to aggressive performance builds.