VIP coilovers for 2nd Generation IS. Fits RWD Lexus IS250 IS350 and ISF from 2006-2015 ~Ultra High Range Adjustable Dampers give wide range of damper tuning in 32 clicks ~ Equipped with 18 KG front and 14 KG + helper rear springs standard, but custom spring rates are available by request to suit street, track, drifting or extreme fitment. ~Features solid spherical bearing mounts to increase suspension accuracy and allow for control arm length adjustments without binding the coilovers. ~ ~ The helper springs allow the rear suspension to settle down into the middle of shock travel and add down travel for traversing driveways without teetering on 3 wheels. ~Anodized lightweight Aluminum mounts and collars ~Pivoting pillowball top mounts front and rear ~Poly bushing lower mounts 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. When installing on 2014 or 2015 model year, you will use the 4 spacers provided to center rear lower bushings into rear lower control arms.