The BC Racing ZR series is a flagship range of coilover suspension kits designed for the discerning racer who wants the best in quality and performance without the premium price tag. The ZR series combine inverted Mono-tube dampers with 3-way damper adjustment making them perfect for race use as they allow for the ultimate in damper control with high levels of damping consistency in all conditions. 3-way damping provides independent low and high speed bump and separate rebound damping adjustment for ultimate damper control. They also provide height adjustment which is obtained via the bottom mount rather than the spring platform, this allows for full damper travel at any ride height.3 way damper control with 30 click rebound, 15 click low speed bump and 12 click high speed bump adjustment for the ultimate in damping controlInverted Monotube damper design improves rigidity, reduces un-srung weight and reduces heat transfer to the oil which all improve damper performance (for vehicles wi