1960-69 Carburetor Base Gasket,notched,THICK material, not paper thin like some other ones out there; all cars, wagons, trucks and vans, except turbo. This is the gasket that goes on both sides of the insulator, one will go between the head and the insulator,the other one goes between the insulator and the carburetor. sold individually. you will need 2 per carburetor. Don't hesitate to give us a call at the shop at 918-413 1548 with any questions you might have.