This Triumph footrest mount nut S4-13 is the correct 1/2-26 TPI CEI thread nut used for securing footrests and for gearbox mounting in pre-unit models.
The nut is used where heavy hardware demands call for a 1/2″ stud or bolt.
It is threaded on right-hand 1/2″ diameter fasteners using CEI thread forms.
The product images shown are for illustrative purposes only and may not be an exact representation of the product received. Manufacturers occasionally make minor cosmetic changes to items, such as color, finish, label, or design. These changes do not impact the item’s function or compatibility. Please contact us if you have specific concerns regarding appearance.












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