Robbie, the slipplate product is a spray lubricant used on the rails the superglide hitch slides back and forth on. As for the teflon disk, that is not needed for the superglide. The pinbox does not rotate on the saddle of the superglide. The saddle turns in concert with the pinbox, causing the saddle unit to move back and forth on the rails, creating more space between fw and truck cab.
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