- 2013-2020 Lexus GS200t / GS300 / GS350 / GS450h RWD (L10) Hyper-Street II Coilover Kit w/ 32-Way Damping Force Adjustment (w/o Adaptive Suspensions) : Rev9Power R9-HS2-154_2 Part#: R9-HS2-154_2 Brand: Rev9PowerMSRP Price $760.00 Our Price $532.00 ( You Save $228.00 ) Saving 30.00%