Happy to say I'm using Lucas gauges in my Cobra build. Nobody makes better looking gauges in my opinion. I even managed to source a correct spec (and almost unobtainium) 30 to 110 deg C water temp gauge for my Cobra.
I had Smiths gauges in a British car back in the '70s, and put a few extras in there too, and never once had a problem (could live to regret that assertion
)
Cheers,
Glen