... ) Detector Flaw: 100% 3) Fatigue Test: >60,000,000 Funtion The Spring used inc ar suspension system, absorb shake and made drive ... :>800HBrand "Shaungdi" Serial Product Cover Spring and Stamping Part,Such as Clutch Spring,Suspension spring,valve Spring,Compression spring,Tension Spring,Torsion SpringCooperation with famous brand ...