Cap is manufactured from 6061-T6 billet aluminum, includes O-Ring for leak free sealing, has non-slip finger grip with a black anodized finish with a Moroso logo. Alum. bung uses four bolts with nylock nuts four mounting, 1.250"-12 UNF threads and outside diameter is 1.50" O.D. Bung is 2.50" O.D. on mounting surface, includes plated mounting hardware and detailed installation instructions.
Bung can be bolted on valve covers, tanks, rear ends and other locations