Superior 18-1901 18907 Spring Booster
The Superior 18-1901 18907 Spring Booster is an easy-to-install quick fix designed for worn-out coil springs. This spring booster features an H-groove for a secure fit on the spring and includes a single circular spacer to help align the coils. With no special tools required, the booster simply slips over the existing spring to provide extra support. Its solid one-piece steel construction is designed to restore sagging springs and improve your vehicle’s ride quality. For a quick coil spring tune-up, choose the Superior spring booster.