Spartan MLS Head Gasket LSX LH 4.123 x .051

The Spartan MLS Head Gasket LSX LH 4.123 x .051 from SCE Gaskets is designed for serious LSX engine builders and performance mechanics who require reliability under extreme combustion pressures. This multi-layer steel (MLS) head gasket is specifically tailored for the left-hand cylinder bank of LSX-based engines, ensuring the critical seal integrity needed for high-horsepower applications, forced induction builds, and competition engines.

SCE's MLS construction features multiple layers of specially tempered steel that compress and conform to the surfaces of the cylinder head and block. This design accommodates minor imperfections while maintaining a gas-tight seal across the combustion chamber. The gasket's 4.123-inch bore diameter and .051-inch thickness guarantee precise fitment and optimal clamping load distribution when torqued to factory specifications.

Technicians rebuilding LS-generation engines, from naturally aspirated 5.3L and 6.0L platforms to heavily modified setups, will find this gasket essential for achieving a leak-free, durable powerplant. Its hardened steel construction resists blowout and edge erosion, significantly extending gasket life compared to conventional composite materials, making it ideal for turbocharged, supercharged, or nitrous-assisted platforms.