GM LSX MLX Head Gasket LH 4.100 .040

The GM LSX MLX Head Gasket LH 4.100 .040 is engineered to meet the rigorous demands of high-performance GM LS-series engines. Utilizing Cometic's Multi-Layer Xtreme (MLX) technology, this driver-side cylinder head gasket provides a reliable seal for enthusiasts and professional builders looking for precision specifications. The multi-layer steel construction is designed to withstand the increased cylinder pressures often found in modified LSX platforms.

Featuring a 4.100-inch bore and a 0.040-inch compression thickness, this gasket allows for fine-tuning of the engine's quench height and compression ratio. Choosing the correct thickness is vital for optimizing combustion efficiency and preventing detonation in high-output environments. The MLX design incorporates an extra fold-over stopper layer to provide a superior torque load around the cylinder bore, ensuring integrity under extreme thermal cycles.

When you buy the GM LSX MLX Head Gasket LH 4.100 .040, you are investing in a component specifically tailored for the left-hand side of the engine block. This individual gasket is a staple for those conducting a top-end refresh or a complete engine overhaul where exacting tolerances are required. Reviewing your build's specific bore and deck clearance requirements will confirm this 4.100-inch bore option is the correct fit for your LS-series project for sale.

This gasket is sold individually and is compatible with a wide range of GM LS-series blocks. The durable steel layers are coated to promote cold-sealing and resist fluids, maintaining a gas-tight seal over the lifespan of the engine. Whether for a street-performance vehicle or a dedicated track build, this MLX series gasket delivers the technical performance necessary to protect your internal components from failure under pressure.