Front Pro Coil double adjustable stock mount shock. Coil-over shock only. Compressed length of 14.5" and extended length of 19.5". No spring included. Are you looking for a front coil-over shock that is designed specifically for your 4th Gen Camaro, Firebird or Trans Am? QA1's 4th Generation F-Body Coil-Over Shock is completely engineered with you in mind. With your choice of double, single adjustable or Drag "R" Series valving options, QA1 has a solution for you.