H2 Rear Suspension Air Bag Coil Spring Conversion 1930LL/1216SL 4-Shocks Kit Rear Suspension Air Bag Coil Spring Conversion Kit Placement on Vehicle: Left, Right, Front, Rear Manufacturer Part Number: 99G-30-ASSY Interchange Part Number: 15938306,89038592,89060581 FITS: 03-09 Hummer H2