Should be the 'standard' Lucas 7-inch light unit. Originally sealed-beam units for the UK market- not sure when the switch to halogen bulbs happened.
 
Yes 7 inch , originally prefocus unsealed (series models) , then sealed beams then 75watt sealed beams (stage1 V8 SW)
Then Hella H4 units.
 
Same lights as used on and old Skool Aston Martin v8 vantage.

I take great pleasure pointing that out to my mate with his AM every time I see him :D
 

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