COMPETITION coilover key features: 1) Adjustable ride height 2) Fully threaded damper & lower mount allows vehicle height to be adjusted independent of the spring preload and without using a helper spring 3) Large range of rebound adjustment is available at the turn of a knob on the top of each damper 4) Allows full soft to full hard damping change in just 12 clicks 5) Replaceable & Custom Tunable Damper 6) Comes standard with 10kg/mm front springs and 8kg/mm rear springs. Stiffer standard spring rates than the Pro coilovers. Custom spring rates available by request. Contact us for more info. 7) Pillow ball upper mount on front AND REAR allows wide range of camber without binding the top mount. 8) Spring upper perch provides independence between the spring and the pillow-ball 9) Billet T6061 lightweight aluminum Lower mounts with rear lower urethane bushing 10) All aluminum components are hard anodized 11) 2 collar wrenches are included 12) Lifetime manufacturer defect warranty ~ The FRS/BRZ/GT86 chassis takes more work to acheive a low ride height than most vehicles we deal with. We recommend using our MAX Rear Lower Control Arms with dropped coilover mounts to acheive an extra low ride height.