BAK Industries Revolver X4ST Tonneau Cover - Black - 6 ft 6 in Bed - GM Fullsize Truck 2014-19 Rear End Gear Oil They fit the valve stems

They fit the valve stems well and can be removed with relative ease because of a tiny hole to relieve the suction created when removing the lash cap

Fits Most GM Applications

Fits 4-Door and 5-Door models

These calipers bolt directly to the stock mounts on factory spindles

Utilizes commonly available and affordable GM alternators and power steering pumps

BAK Industries Revolver X4ST Tonneau Cover - Black - 6 ft 6 in Bed - GM Fullsize Truck 2014-19 Rear End Gear Oil They fit the valve stemsRevolver X4ts Hard Roll Up Tonneau Cover High strength aluminum slat construction with marine grade vinyl overlay Smooth rolling hinge design offers effortless operation Integrated T slot rails support various racks, carriers, and cargo accessories (sold separately) Ultra secure closure with BAK's patented auto latching mechanism Sleek, matte black finish creates a flawless appearance Simple, "No Drill" installation Experience the next generation of