Double Adjustable Strip Series Upper Control Arms for 1979-2004 Mustangs are quality designed for high strength supporting high horsepower applications at a favorable price. These control arms are made from 1/4â€³ CNC laser cut steel, CNC formed, and come with high quality hiem joints. They are powder coated in a silver hammertone finish with zinc plated Adjusters for corrosion resistance and quality appearance. These Upper Control Arms are designed to work on 1979-2004 Mustangs with the 8.8â€³ Rear Housing. They can be found on some of the quickest stock suspension cars in the country. Proudly made, assembled, and quality checked in Detroit, Michigan.