UK made zinc headlight retaining bolt for Triumph 500 and 650 unit and pre-unit twins and singles as well as numerous BSA and Norton motorcycle fitted with Lucas headlight shells. Fits most Lucas headlights up to mid year 1968, thread is 5/16″ x 26 T.P.I. sold in multiple quantities. Please use drop-down menu.
For pairs of these, stainless versions and UNF thread versions for 1969 onward click here.
For headlight spacers click here.
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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