Front shocks are Vikings double adj.,total travel 2.62 inches (recommended ctc around 10 inches. lower control arm is 11 1/2 from center on ball joint to inner pivot point. Shock is 2 1/2 inches from center of ball joint. Shock angle is 10 degrees. Its based on a mustang 2 similar to chassiswork. Viking recommends the 8inch spring with as much as 60% compression on the spring to accomplished the correct installed height. The car has adj. shock mounts so ride height wont be an issue.2.90 low , not too concerned with et ,want to be able to go red on a .400 tree