Coilover kit - BC Racing - BR Series - Lexus GS300 JZS147BR Series Type RS Coilover kit for Lexus GS300 JZS147 30 position damping adjustment adjusts both bump and rebound together. The BR series coilovers use a large 44mm diameter piston in a 53mm diameter damper body to maximise oil capacity and reduce oil temperature and viscosity change. Rideheight adjustable the lower mount can be wound up or down the damper body to allow rideheight adjustment. The lower spring platform of the BC Racing coilovers are