Hotchkis 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 comfortable ride. Each gray powder coated coil spring is precision wound using the highest quality steel. Specs: 2 in. Lowered Front 580 lb/in. Motor: Big Block. (Big Block cars using aluminum heads or many Pontiac Motors such as the 400 should use the small block spring 19112F )