Tanabe Springs - NF210 TNF177 Fits:LEXUS 2014 - 2015 IS250 F SPORT RWD 2014 - Weight: 27 Fitment: LEXUS 2014 - 2015 IS250 F SPORT RWD; Front Lowering: 1.4in; Front Spring Rate: 4.1kg/mm; Rear Lowering: 1.0in; Rear Spring Rate: 8.2kg/mm 2014 - 2014 IS250 F SPORT AWD; Front Lowering: 1.0in; Front Spring Rate: 4.1kg/mm; Rear Lowering: 1.0in; Rear Spring Rate: 8.2kg/mm 2014 - 2015 IS350 F SPORT RWD; Front Lowering: 1.4in; Front Spring Rate: 4.1kg/mm; Rear Lowering: 1.0in; Rear Spring Rate: 8.2kg/mm 2014 - 2014 IS350 F SPORT AWD; Front Lowering: 1.0in; Front Spring Rate: 4.1kg/mm; Rear Lowering: 1.0in; Rear Spring Rate: 8.2kg/mm