ACDelco Air Shock - 560-820 Part #: 560-820 Line: ACD ACDelco Air Shock 1 Year Limited Warranty Boot Included: No Lower Mount Type: Eyelet Upper Mount Type: Cross Pin Coil Over Springs Included: No Weight: 0.61 Lbs. Outer Housing Diameter (in): 1-3/4 Inch Shock/Strut Extended Length (in): 21-1/8 Inch Shock/Strut Extended Length (mm): 537mm Show More Show Less