GM Truck Fleetside Rear Cross Sill 1963-72 (100722)

Rear Cross Sills OriginalPremium Quality Product Made in America.The rear cross sill is located below the tailgate. It ties the back of the bed together, bolted from one bed side to the other. The rear sill has "brackets" welded in place. The bed-to-frame bolt passes through these brackets as it bolts from the wood to the frame. The strips and wood sit on the ledge that has predrilled holes for mounting. The rear cross sill protects the edges of the wood boards. Includes attachment holes for wiring clamps. Intended for wood beds only.