How much does this cost to the nearest dollar?

Rev9 Hyper-Street ONE Coilover Lowering Kit, Adjustable, Compatible With Subaru Forester (SJ)
Compatible With Subaru Forester (S13) 2014 2015 2016 2017 2018 Spring Rate Front - 10 kg/mm (560 lbs/inch) | Rear - 6 kg/mm (336 lbs/inch) // Damping Levels 16 Levels // Top Mount Front - Yes, Standard Pillow Ball | Rear - Yes, Standard Top Mount Mono-Tube Shock Design With 16 Levels of Damping Force Adjustment Combined With Upgrade Spring Rate. Sport Tuned Lowering Springs To Ensure Ride Improvement; Lower Range From 1.25 to 2.25 inch Drop(May Vary Depends on Car Models, NOT SUPER LOW TYPE); Affordable Pricing Performance

Price is $399.00
Price: $399