This SBC F-body style tall fobbed aluminum valve cover comes with filler plug and pave port on the right cover. This fabricated valve cover is designed to be light weight, yet strong enough to prevent warpage. It is constructed from .100" aluminum, with heavy wall mounting tubes and is welded on cylinder heads to a insure proper fit. Fill bungs, AN fittings, or breather stacks can be installed on a special order basis. Stainless socket head mounting bolts included.