RS-R Down Sus Lowering Springs | 2021 Lexus IS350 RWD (T591D)2021 Lexus IS350 RWD Down Sus Lowering Springs by RS R 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. Features Approximate Front Drop: 25mm to