Ferrari Part Number 130978, ANTIEVAPORATION VALVE shown here as used in Ferrari 456 GT/GTA Table 12 Antievap. Device -Not For Usa, Cdn And Aus From Car Ass. Nr. 26913-. Location in Diagram: 34. Required Quantity: 2. This Ferrari part is used in more than one diagram. Click on the diagrams below to see alternative uses of this part: