Replacement BAK Revolver X4ts T-slot side rail assemblies for 1988–2013 GM Silverado/Sierra & C/K 8' bed (including 2014 HD/2500/3500) are sold as a set of two fully assembled rails. These T-slot rails are supplied without the cover and serve as direct-replacement side rail assemblies to restore mounting capability for over-bed accessories and Revolver X4ts systems on compatible long-bed GM trucks.
BAK 88-13 GM Silverado/Sierra & C/K 8ft. Bed Revolver X4ts T-Slot RAILS ONLY - NO COVER