Check the listing for details. fits Kia Optima (JF) 2016-20 Hyper-Street ONE Coilovers Lowering Kit Assembly. Condition: New. Listed at 399.00 USD. Rev9 Hyper-Street ONE Coilovers for Kia Optima (JF) 2016-20 are designed for tuners on a budget. Engineered to lower your vehicle with the combination of proper lengthen shocks and High tensile springs to work together to provide perfect balance between comfort and performance. Rebuild-able Mono-Tube shocks with 16 damping force adjustment to help quickly stabilize and keep the wheels on the road when you hit a bump. High tensile springs are made from SAE9254 steel wire to assure high quality standards and longevity to withstand performance needs. Pillow-Ball top mounts provide sharper and precise handling are utilized if applicable. With all these key features to make Rev9 Hyper-Street ONE are one of the best budget kits on the market today! Ride Height Adjustable Lowering kit starting at 1" to 1-1/2" lowered compared to OE struts and up to 2-1/2 to 3". Sport Springs Upgrade Lowering kit starting at 1" to 1-1/2" lowered compared to OE struts and up to 2-1/2 to 3". 16 Damping Levels Dampers16 damping levels to help reduce bounce from the sports springs when traveling over uneven roads. Key Features: Ride Height Adjustable - Drops From 1 to 2.5 Inch From Factory Ride Height Damping Force Adjustable - 16 Levels From Soft To Stiff High Tensile Performance Springs - Over 600k Continuously Stress Test With 0.04% Distortion Rate Pillow-Ball Top Mount If Applicable Provides Sharp And Precise HandlingImprove Overall Handling - Reduced Body Roll, Improve Acceleration And Braking Quality Assured - Full Year Limited Warranty From Date of Purchase *Additional Setting Adjustment Required To Achieve Desired Ride Quality. Designed To Lower Vehicles, Not Meant To Replace Factory Ride Height Specifications.