Tein Basic Dampers Nissan 240sx 89-98 TEIN Type BASIC damper is for the driver that is seeking high performance with a reasonable price. The Basic damper includes 4 springs and 4 shocks. Compared to the "sleeve type" coil over, the Type Basic has a more exclusive set up for a better balance of suspension travel and damping force. Spring Rates: S13/S14 6kg front, 6kg Rear