Gasoline engine spring is widely used in all kinds of cars ,we provide products with high quality and competitive price .
Wire Diameter F2-6mm
Max Outside Diameter:F55mm
Max height 100mm
Usage 188F,163F,F173,F152,F139,etc
Material 55Mn,60Si2Mn,55CrSi,SUS304H,etc
Surface treatment:rust-proof,sour washing,shot peening,heat treatment