Lid Supports - How to select the proper one for your SkyBox, ShowCase or RocketBox User profile Updated April 20, 2023 17:36 Follow The chart below will identify which lid support is need for your box. If you do not see your box listed please contact customer support here, or by phone at 888-925-4621 M-F from 7 to 4 PT. To order the lid supports click here 8880683 or 8880684 Related articles Where Can I Find the Serial Number on my Box? Cargo Box Lids Gas Lid Supports Weather Stripping Cracked Cargo Box