•1965 Fairlane 289 with 2bbl and 4 bbl Premium Fuel carburetor
•1965 Fairlane 289 Hi-Po with 4 bbl carburetor
•1965-66 Mustang 289 Hi-Po with 4 bbl carburetor and before 11/01/65
This insulator is for the right hand or left hand side. Two required per car.