Image Item No. Description By  731c01 (Inv)  Technic, Shock Absorber 6.5L with Black Piston Rod (Undetermined Type) Catalog: Parts: Technic, Shock Absorber 1  731c04 (Inv)  Technic, Shock Absorber 6.5L with Black Piston Rod - Hard Spring, Tight Coils in Middle Catalog: Parts: Technic, Shock Absorber 3  731c06  Technic, Shock Absorber 6.5L with Black Piston Rod - Soft Spring, Standard Coils Catalog: Parts: Technic, Shock Absorber 1  2909c03 (Inv)  Technic, Shock Absorber 9.5L (Soft Spring) Catalog: Parts: Technic, Shock Absorber 1