Ported Vacuum Switch (#PVS65) for Nissan 280z / 810 78-79 Home » Air Bypass Valve | Ported Vacuum Switch Additional Images: Click to view.YearMake / ModelEngine78Nissan / 280z 78-79Nissan / 810 GOOD FOR AMERICAN MOTORS 83-73 Retail Price: $25.30Your Price: $ Quantity: