The BAK Revolver X4TS T‑Slot rails for 2007–2021 Toyota Tundra beds with the OE track system and 6.7 ft length are sold as a fully assembled set of two replacement side rails. These rails‑only assemblies do not include a cover and provide the factory‑matched side rail components for Tundra beds equipped with the OE track, restoring the T‑slot mounting interface for the Revolver X4TS system.
BAK 07-21 Toyota Tundra w/OE Track Sys 6.7ft Bed Revolver X4ts T-Slot RAILS ONLY - NO COVER