RS-R SUSPENSION DOWN FRONT FOR LEXUS RX450H GYL10W T279DFBrand RS R Product Number T279DF Compatible Car LEXUS RX450H GYL10W Product Description Model Year: 2012 4 ~ 2015 9 exhaust amount: 3500 HV Series: RS R DOWN set: F down width (mm): 35 ~ 30 spring rate ( kg mm): 3. 47 matching grade: Model Year: 2009 4 ~ 2012 3 exhaust amount: 3500 HV Series: RS R DOWN set: F down width (mm): 45 ~ 40 spring rate (kg mm): 3. 47 matching grade: Model Year: 2012 4 ~ 2015 9 emissions: 3500 HV Series: RS R dOWN set: F down