You're on to a good thing here, FJ. Installed them today on my 72 GT, and just got home from a 'dark road' roll. HUGE improvement in visibility. Made me think I was in my wife's newer Audi!
That being said, they remind me of just that... a newer car. Absolutely love the visibility improvement, but it will take me some time to decide if I can live with the brighter white hue, or if I want to stick to the classic 'yellow' hue of the Holley Retrobrights. Both designs light up the night wonderfully, but is that huge price difference worth the retro color?

I dunno yet.
Luv First World problems. Heh.
Thanks for the suggestion though for sure. For those of you who don't mind the newer bright white look, I highly recommend these! All in (4 bulbs) for less than the price of one Holley Retrobright. Hard to argue.
(Before and After photos from old school Halogens)
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Eric Mitten
'74 Bonneville 4dr Sedan (455/TH400/2.93 open)
'72 LeMans GT (455/M-13/3.23 [8.5"] posi)
'71 GTO Hardtop (400/TH400/3.07 12 bolt posi)
‘71 GTO Convertible (455HO/TH400/3.23 posi)
'67 GTO Coupe (455/ST-10/2.93 posi)
Deuteronomy 8:3