Jeep JK / JL Destroyer 4 Door Sliding Roof Rack option is available to be added on the the Base Roof Rack for the Jeep JK and JL at any time to customize your rack the way you want it! This Sliding Rack option allows you to have full access to the Soft Top for easy up and down operation. Yes, the Destroyer Sliding Rack option will both work with the Sky One-Touch Power Top, the Soft Top in Sunrider position, and Hard Top. This is one of the best features of the LoD Destroyer Roof Rack, no need to unload your gear just to open your top on those hot summer days! The Sliding Rack option also comes with 6 Crossmember Bars as standard equipment. The Sliding Rack driving load capacity is 300 lbs The Sliding Rack static load capacity is 800 lbs Please Note : Sliding Rack requires the Base Rack to work, This is a bolt on option that can be added to the Base Rack at any time!