KW10230031 / 10230031 - Application Notes 94-98 Mustang Cobra only models with IRS Lowering Adjustment Range (F 1.4-2.5" / R -") Spring Rates (F 400 / R -) Footnotes: 5) For height adjustable threaded strut housings, rear axle = standard 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.