Left.6.75 FOOT BOX. Mount bolt. rear. Right.6.75 FOOT BOX. A Bolt used to attach the Truck Bed Floor Sill to its Mounting point. A Bolt used to attach the Truck Bed Floor to its Mounting point. Body Mount Cushion Bolt. Part cannot be reused/reinstalled. Part cannot be used/reinstalled. and LockWASHER. and LockWASHER Assembly. Floor Sill. Body Cushion.