Coilover Kit - BC Racing - 3 Way Adjustable - ZR Series - Supra JZA80BC Racing's new 3 way adjustable ZR Series Coilovers forSupra JZA80 A track ready coilover system to suit racers from novice to pro for a price not seen before in the performance suspension market. Each ZR Series Coilover system offers independent low speed and high speed compression adjustment and separate rebound adjustment. They also offer full height adjustability independent of piston travel and spring preload. On cars with McPherson struts the