- BILSTEIN mono-tube/inverted technology made in Germany - BILSTEIN gas pressure technology - Lowering by approx. 0 to 30mm, infinitely variable on the front and rear axle - Individually fine-tuned through BILSTEIN test drives - Spring carrier and counter nut made from special aluminium alloy - Triple-C-Technology® surface finish for lasting corrosion resistance - Quality sport springs made from high-strength material