Ported Vacuum Switch (#PVS107) for Pontiac Firebird 78-79 Home » Ported Vacuum Switch | Switches/Controls YearMake / ModelEngine78Buick / electra sedan / coupe 78Buick / lesabre sedan / coupe 78Buick / riviera 78-79Pontiac / catalina 78-79Pontiac / firebird Retail Price: $36.80Your Price: $ Quantity: