Axle-Load front: 945 Axle-Load rear: 970 Lowering front: 25mm Lowering Rear: 25mm 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.