AST Suspension Lowering Springs (30mm/30mm TUV) - 2004-2011 Chrysler 300C Touring 5.7/3.0CRD (LX)AST Suspension Lowering Springs Part #: ASTLS 14 517 Overview The AST Suspension Lowering Springs are designed to enhance the handling and aesthetics of your 2004 2011 Chrysler 300C Touring with 5. 7L or 3. 0CRD engines. Crafted for enthusiasts seeking a more aggressive stance and improved road feedback, these springs help lower your vehicle's ride height by approximately 30mm, resulting in a sportier look and better handling dynamics. They are ideal