The Coilover Spring 8 Inch 350lbs Competition Race Car F2 ROK Kit Car Black Spring is a high-performance component designed specifically for race cars. With a length of 8 inches and a spring rate of 350lbs, this spring is ideal for providing stability and control during high-speed competitive racing. The black spring colour adds a sleek and stylish look to the car while offering durability and reliability for top-tier racing performance. Perfect for F2 ROK kit cars looking to enhance their handling and overall racing experience.