Hotchkis Sport Suspension 1901R 1967-1988 GM A G Body Rear Lowering Coil Springs 1 in. Drop. Lower your Chevelle El Camino GTO or other 67-88 GM A-Body car with Hotchkis Sport Suspension lowering coil springs. These springs will lower your vehicle on average 1 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: 1 in. Lowered Rear. 124-159 lb/in. Double Pig Tail Coil Applications: GM A-Body GM G Body Note: Wagons and El Camino's should not use rear springs without the use of 31750 air bag kit.