This transfer case shifter assembly is a perfect fit for your 1965-1968  Ford Mustang. It is a vintage part with a plastic finish. The assembly is designed for use in and heating systems and is a great addition to your car. It is not a universal fitment and is not considered a performance part. This heater plenum is a must-have for any fan of vintage automobiles and is sure to fit your 1965-1968 Ford Mustang perfectly.