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.

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