Front Pro Coil Shock System, Single Adjustable, 400 lb/in

The QA1 GS401-10400C Front Pro Coil Shock System is designed for GM muscle car owners seeking enhanced stance, ride quality, and performance. This aluminum system features single-adjustable Pro-Series GS401 shocks, allowing for easy adjustment between a comfortable cruise and a more aggressive feel with a simple turn of a dial. Key specifications include a 400 lb/in spring rate, a 3.000-inch threaded adjustment range for ride height, and a 10-inch spring length. The shock assembly has a compressed length of 10.13 inches and an extended length of 14 inches. This kit is sold as a pair and is suitable for a variety of GM A, G, and X-Body vehicles, as well as applications with small block engines. The Pro Coil System offers the ability to adjust ride height from factory stock to 2 inches lower, providing control over the vehicle's stance, wheel, and tire fitment, as well as handling balance. Its design is ideal for diverse driving styles, from daily driving to more aggressive performance applications like drag racing, street performance, autocross, and road racing. Specific fitment includes GM 1975-1979 X-Body vehicles and GM 73-83 A-Body vehicles. The system allows for a bolt-in installation, converting the stock front suspension to a coil-over setup.