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Cometic's complete engine gasket kit for Subaru EJ257 (2008–2018) includes an MLX cylinder head gasket sized for a 101mm bore and .052in thickness, intended as a top‑end kit. MLX construction uses an integrated stopper layer for combustion chamber sealing and improved clamp load around cylinders. The StreetPro kit groups MLS, AFM, aramid fiber, and armor‑clad materials to provide the necessary gaskets and seals for engine service.
Cometic Subaru 2008-2018 EJ257 Complete Engine Gasket Kit-101mm Bore-.052in MLX Cylinder Head Gasket
