COMPETITION coilover key features: - Low ride height ability - 10kg/mm front springs, 8kg/mm rear springs - Aggressive damper tuning for low ride height drift/street use. - Front camber plates and slotted knuckle mount holes for large range of camber and KPI adjustment - Fully threaded damper & lower mount allows vehicle height to be adjusted independent of the spring preload and without using a helper spring - Large range of rebound adjustment is available at the turn of a knob on the top of each damper - Allows full soft to full hard damping change in just 12 clicks - Replaceable & Custom Tunable Damper - Custom spring rates are available to special order with a proper damper tune (4-32kg) You can choose +/- 2kg with the built in adjustments without spending more money for a custom damper tune. - Pillow ball upper mount on front AND REAR - Spring upper perch provides independence between the spring and the pillow-ball - Billet T6061 lightweight aluminum Lower mounts with rear lower urethane bushing - All aluminum components are hard anodized - 2 collar wrenches