For both front and rear of suspensions on cars, trucks and SUVs. Maintains proper alignment under extreme conditions on and off -road and during competition. Improves vehicle handling, cornering and overall control. Full floating, for smoother operation. Made of Energy's HYPER-FLEX? performance polyurethane to add performance and durability. On the front of vehicles - they make a dramatic improvement in the way they handle, with quicker steering response and greater vehicle control. Whatever your demands, proper alignment (caster and camber) is better maintained by the use of the correct performance durometer of the bushing's material formulation. On the rear, these control arm bushings are a must for controlling wheel hop and increasing cornering control for competition uses as well as maintaining alignment on and off-road. All of Energy's control arm bushings are full-floating and non-binding. . especially important when ride height is altered or greater suspension load is required. Most are pre-lubricated. This is especially important for both lowered and raised vehicles that have had drastic suspension geometry modifications. Energy's HYPER-FLEX? performance polyurethane control arm bushings do not rot or deteriorate from oils or atmospheric conditions such as ozone, smog, road salt, chemicals, and other corrosives. They will not deteriorate in a few short years and cause that mushy, uncertain steering response- like rubber O. E. M. ones often do. Most sets come with zinc plated outer metal shells.Pit Stop USA offers Energy Suspension Rear Control Arm Bushing Set - Black - Fits 1979-93 Ford Mustang, Mercury Capri 4-3114G at low everyday prices. Be sure to check out all of our products from Energy Suspension including Energy Suspension Trailing Arm Bushings.