Our 65 has a grommet with two holes like our 66. We bought a new Tar top battery but the original vent caps with the two hoses will not fit on the battery. Sam & Marissa Andolino mandolin at rochester.rr.com 1965 Evening Orchid Monza Convertible 1963 Red Monza Convertible 1966 Marina Blue Corsa Turbo Coupe