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The Demco 6040 UMS side rail kit is the mounting hardware you need to run a Reese-style underbed 5th wheel hitch in your pickup. The rails install under the bed and give the hitch head a secure, industry-compatible mounting point.
Built from powder-coated steel for long-term corrosion resistance, this kit is sized for standard underbed installations and pairs with compatible Reese underbed hitch heads.
Pair with a compatible Reese underbed hitch head to complete your 5th wheel towing setup.
