4.125 MLS Head Gasket .051 - GM LSX LH

The 4.125 MLS Head Gasket .051 - GM LSX LH from Cometic Gaskets is a precision cylinder head gasket engineered for GM LS-series and LSX engine platforms requiring driver-side sealing. This multi-layer steel gasket is essential for high-performance builds, street applications, and engine rebuilds where reliable combustion chamber sealing is non-negotiable.

With a 4.125-inch bore diameter and 0.051-inch compression thickness, this gasket delivers OEM-equivalent performance for both naturally aspirated and forced-induction LS engines. Cometic's multi-layer steel (MLS) construction provides superior gasket integrity compared to traditional materials, offering excellent thermal stability and consistent sealing across the combustion chamber.

Engine builders, performance shops, and LS enthusiasts rely on Cometic's precision gasket sets when assembling or rebuilding LS and LSX engines for competition, street performance, or restorations. This left-hand (driver-side) gasket pairs with its right-hand counterpart to complete a full head gasket set, ensuring optimal sealing and performance.