Coilover kit - BC Racing - BR Series - Corolla AE86 - WELD INBC Racing BR Series Coilover kit for Corolla AE86 Please note This is a "weld in" kit and is not provided as photographed, you must cut the lower spindles from your original legs and weld on to the coilovers. 30 position damping adjustment adjusts both bump and rebound together. The BR series coilovers use a large 46mm diameter piston in a 53mm diameter damper body to maximise oil capacity and reduce oil temperature and viscosity change. Ride height