KW15261005 / 15261005 - Application Notes 05-09 HHR (LT) Lowering Adjustment Range (F 0.8-2.1" / R 0.8-2.1") Spring Rates (F Progressive / R Progressive) Footnotes: 2) Height adjustable front and rear axles (front axle threaded strut housings, rear axle adjustable springs + dampers)