Helps reduce common wheel "roll-under", which occurs when stopping abruptly, especially when using performance tires, on either front of rear drive vehicles On front wheel drive vehicles- diminishes wheel hop and traction loss during standing start accelerations Maintains proper alignmentWith the increased use of higher traction tires on today's vehicles, soft original factory rubber bushings allows the steering axis slant (caster) to change excessively. When braking hard HYPER-FLEX? strut rod bushings keep the front wheels and lower control arm assembly from literally rolling under the car! This unwanted alignment movement also causes premature failure of the lower control arm bushings and excess tire wear. During standing start accelerations, bushings help control unwanted steering axis changes, diminishing wheel hop and traction loss. While accomplishing all of this they still allow the suspension to smoothly travel throughout its full operating range, without binding.Pit Stop USA offers Energy Suspension Strut Rod Bushings - 1972-78 Ford Full Size 4-7117G at low everyday prices. Be sure to check out all of our products from Energy Suspension including Energy Suspension Strut Rod Bushings.