This is a Yeah Racing newly designed damper set for 1/10 RC cars. Despite the 5 stage stiffness spring sets, Yeah racing damper set featured the state of the art technology interchangeable damper piston which gives so much serious tuner so much potential to tune their damper settings. The interchangeable piston will allow 3 settings of damper's response as well as 4 rebound rate adjustment to fit different racing situation and maximum performance.