Our coil springs are supplied by KYB the worlds largest supplier to vehicle manufacturers with 1 in 4 of all vehicles fitted with KYB. Coil springs support the vehicles weight and absorb the impact of the road condition. Increase the life of the shock absorber and other suspension components including tyres. Together with shock absorbers they make up the vehicles suspension system which keep the tyres in contact with the road. Why change your coil springs? To return the vehicle to the correct ride height. Improve road handling, improve wheel alignment and maintain contact with the road. All ways fit coil springs in pairs to ensure correct road handling.