SKU: SKU: CGSC15278-054
The Cometic GM LV1/LV3 EcoTec3 .054in MLX Cylinder Head Gasket - 4.000in Bore - LHS - C15278-054 is a precision-engineered head gasket with a 4.000" bore and .054" compressed thickness for the Left-Hand Side (LHS).
The Cometic MLX Multi-Layer Steel (MLS) head gasket is engineered for high-performance and racing applications where OEM gaskets fall short. Featuring MLX Multi-Layer Steel (MLS) construction, this gasket uses multiple embossed steel layers for superior sealing under extreme cylinder pressures and temperatures. Precision CNC-machined to exacting tolerances, this gasket seals combustion, water jackets, and oil passages simultaneously — eliminating the need for multiple gaskets or sealing compounds.
Verified fitment: Chevrolet Express 2500 (2018–2019); Chevrolet Express 3500 (2018–2019); Chevrolet Silverado 1500 (2014–2019); GMC Savana 2500 (2018–2019); GMC Savana 3500 (2018–2019).