This is a custom designed wrench developed by Tools R Us (Kevin) for the 1FZ SuperCharged engines. This tool is a MUST when changing out or just removing the SuperCharger's serpentine belt by relaxing the tensioner pulley.
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Worth every penny. Changing the supercharger belt or pulley without this tool is a nightmare. with this tool it’s breeze. Thank you Wits End for producing this. Makes life much easier.