RKB101200 - Air Spring – RearDescription: Air Spring Rear for the self levelling rear suspension of the Discovery 2. The Discovery 2 rear suspension uses pneumatic air springs in place of conventional coil springs. Each air spring mounts between the rear axle and the chassis, inflating and deflating via the Self Levelling Suspension (SLS) system to maintain a consistent rear ride height under varying loads. A failed air spring typically presents as a sagging rear end, a