1964 - 1965 Pontiac Tempest RWD. 1964 - 1967 Chevrolet Malibu RWD. 1964 - 1967 Chevrolet Chevelle RWD. 1964 - 1967 Chevrolet El Camino RWD. 1964 - 1965 Pontiac LeMans RWD. It effectively maintains the engine temperature within optimal ranges, preventing overheating and promoting smooth operation.