The JE Pro Seal head gasket is specified for Subaru EJ25/EJ257 engines with a 102.3mm bore and approximately 0.039 inch thickness. Offered as a multi-layer head gasket solution for those Subaru flat-four applications, it provides a direct replacement sealing option sized to match EJ25/EJ257 bore dimensions and service needs.
JE Pro Seal Subaru EJ25/EJ257 102.3mm 0.039in Head Gasket