Axle-Load front: 1070 Axle-Load rear: 1116 Lowering front: 25 mm Lowering Rear: 30 mm Ø front: Ø rear: Adjustable front: Adjustable rear: PRO-KIT | Performance Springs #1 choice of automotive enthusiasts worldwide! World-leading performance suspension spring system Designed and tested to work perfectly with standard shock absorbers. First step towards a complete sports suspension system. Lower center of gravity - lowers the vehicle by up to 40 mm Lowering = Traction + Attraction Progressive spring design. Performance handling