KW35230034 / 35230034 - Application Notes 99-04 Mustang Cobra only models with IRS Lowering Adjustment Range (F 1.4-2.5" / R 1.4-2.5") Spring Rates (F 400 / R 400) Footnotes: 1) Height adjustable on the front and rear axles (threaded strut housings) 66) The loading direction is changed towards the bearing link of the front axle suspension arm when using this coilover kit, and there is no longer pressure on the ball joint. The long term function of the original front axle suspension arm is no longer warranteed. New KW ball joints are supplied to replace the standard factory ball joints.