Axle-Load front: 1060 Axle-Load rear: 1300 Lowering front: 25-35mm Lowering Rear: 20-30mm Ø front: Ørear: Adjustable front: Adjustable rear: The BILSTEIN B12-Pro-Kit series offers the perfect start to lowering your car and getting that sporty drive. The formula: four high-performance shock absorbers, four springs, the best fit and BILSTEIN expertise.