Hotchkis 67-72 GM A-Body Big Block Front Coil SpringsHotchkis Sport Suspension 19115F 1967 1972 GM A Body Front Lowering Coil Springs 2 in. Drop (Big Block). Lower your Chevelle El Camino GTO or other 67 72 GM A Body car with Hotchkis Sport Suspension lowering coil springs. These springs will lower your vehicle on average 2 in. from factory ride height enhancing vehicle looks while lowering the center of gravity. The increased spring rates offer improved performance and handling while offering a