RS-R Down Sus Springs 2016-2017 Lexus IS200T / 2014-2020 IS250 / 2014-2020 IS350 / 2018-2020 IS300 (RWD)The RS R Down Sus Lowering Springs provides a mild drop and improved handling for drivers who are looking to lessen the fender to wheel gap. Taking into consideration the factory suspension geometry, shock dampening, spring rate and ride height levels, RS R ensures that the springs you are getting were made for your car both for performance and for comfort. Specifications: Lexus IS 250 350 Approximate Drop: Front 30mm to 35mm ( 1. 2inch to 1. 4inch)