Ford’s Twin Traction Beam (TTB) front suspension, used on both 2WD and 4WD models, features coil springs, two front axle “beams” and radius arms. With this design, as front ride height is raised, the tops of the tires lean outward creating positive camber angle. Increasing ride height also creates a more-negative caster angle. Superlift offers three different height lift systems: 1” to 2”, 4” and 6”.  Each system addresses camber, caster and steering linkage geometry.