GM/Dart LS Next MLX Head Gasket LH 4.200 .060

The GM/Dart LS Next MLX Head Gasket LH 4.200 .060 is a precision cylinder head gasket designed for serious LS engine builds and rebuilds. This gasket is essential for maintaining compression integrity and preventing coolant seepage in high-performance applications. It is particularly suited for mechanics, engine builders, and performance enthusiasts who demand reliability and quality.

Constructed from multi-layer steel, this gasket provides superior sealing performance across a wide operating temperature range and varying combustion pressures. The 4.200-inch bore diameter is compatible with factory and popular aftermarket LS cylinder heads, while the 0.060-inch compression thickness is engineered to achieve the correct deck height and compression ratio for your specific engine combination. This design helps distribute clamping load evenly across the bore, resisting blowout and deformation under sustained boost or high-RPM operation.

Ideal for engine builders, performance shops, and DIY mechanics, this gasket is perfect for LS-series engine assembly or restoration on Gen III, Gen IV, or Gen V platforms. Its left-hand (driver-side) designation ensures proper fitment, making it a critical component for anyone looking to enhance their engine's performance. With its robust construction and precise specifications, this gasket is a reliable choice for any serious engine project.