Triumph Bonneville 50W 40W 12V Norton Commando BSA Lightning 446 414 Headlight Bulb From 1966-77 PN# 446


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This is the widely used 12 volt, 50/40 Watt Pre-Focus headlamp bulb. The bulb is housed in a dual-contact bulb-holder and inserted into the glass reflector. It is then installed by inserting the bulb-holder into the receptacle of the reflector and locked into place.

Please note: Due the nature of the product, we unfortunately do not accept returns on bearings, service tools or electrical components. Please be confident about your purchase before ordering. If you have questions, please contact us.

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