Wish List Quick view View Details Yakima OEM Track System GMC Sierra HD Yakima Crossbar Complete Roof Rack System on Retrax XR | 2020-2022 This Complete System Includes: 4 Towers, 2 Load Bars, and 2 Landing Pad Set Roof racks made simple: You need 2 load bars, 4 towers, and 2 landing pad set for a base roof rack. Once… MSRP: Was: Now: $688.80 View Details