1968-74 Novas can get a tramendeous amout of improvement with just an upper arm. Cta-79A is engineered to reduce bump steer, increase straight-line stability, and improve the camber with just a bolt on. The upper is supplied with the top of the line Del-a-lum bushings that have a life time warranty. The arm is preassembled with a billet cross shaft, ball joint, and bump stops. New alignment specifications are also provided. No offset shaft is required because the arm is built with the correct geometry going in