; Made of 14 gauge 6061-T6 aluminum, this baffle mounts inside Moroso valve covers under the breather hole to keep oil from getting into the breather; Use with Valve Cover Breathers Nos. 68720, 68721, 68722, 68723, 68724, 68725, 68730, 68740, 68741, 68781, 68810, 68813 or 68817; Cannot be used with engines equipped with stud girdles; One per package includes all necessary fasteners