JW Engine Torque Damper Kit SR20 Is designed to dampen movement of the engine underload. Made to reduce energy loss, noise and the wastage coming from engine vibration. Giving the vehicle a smoother more linear power delivery through the transmission.
Useful for partially when drifting where the car is on and off the throttle.
 
Vehicle Compatibility;
Nissan S14
Nissan S15/200SX/Silvia 
(Perfonessional installation reccomended)