MAX Pro True coilover set for 2015+ LEXUS RCF ~Pro coilovers are designed for competitve drift setups and feature standard 20 KG front and 8 KG rear springs + rear helper springs. Wide variety of spring rates suitable for street, track, drifting, extreme fitment are available by request ~ Features solid spherical upper and lower bearing mounts to increase suspension accuracy and prevent the coilovers from binding when you change the control arm lengths. ~True rear coilover conversion eliminates separated spring and shock setup for simplicity, ease of adjustability and spring rate changes. ~ Long Stroke Dampers ~Lightweight anodized aluminum mounts and collars ~ Lightweight Japanese Linear springs ~You can upgrade to an air spring (airbag) at any time for a $900 option cost. Thoughtfully designed rear upper mount has 2 different mounting positions, one farther out from the chassis to achieve the extra clearance required for the (larger diameter than spring) bags while the inboard position is intended to give more clearance for wide wheels when using coil springs. **42mm FLM bushing width / 58mm RLM bushing width