The Cometic MLX cylinder head gasket for GM LV1/LV3 EcoTec3 (4.000 in bore), RHS is a multi-layer gasket that incorporates an MLX stopper layer to improve combustion sealing. Specified at .054", it helps deliver reliable sealing in modern engines. MLX construction improves clamp load distribution without raising bore distortion; layered stainless materials rebound under load and resist corrosion for durable sealing performance.
Cometic GM LV1/LV3 EcoTec3 .054in MLX Cylinder Head Gasket - 4.000in Bore - RHS