Axle-Load front: 960 Axle-Load rear: 840 Lowering front: 30mm Lowering Rear: 20mm Ø front: Ørear: Adjustable front: Adjustable rear: PRO-KIT | Performance Springs #1 Choice of Automotive Enthusiasts Worldwide! World's Leading Performance Suspension Spring System Engineered and tested to work perfectly with standard shocks. First step towards a complete sports suspension system. Lower Center of Gravity - Lowers the vehicle up to 40mm Lowering = Traction + Ride Progressive spring design. performance management