The Prothane front coil spring isolator in red for 1983–2004 Ford Mustang is a rubber or polyurethane spring seat designed to fit the front coil spring application. It cushions the spring against the chassis, helping reduce noise and isolate vibration while restoring proper spring seating during suspension maintenance or replacement on compatible Mustang models.
Prothane 83-04 Ford Mustang Front Coil Spring Isolator - Red