You've got a couple of choices... you could get standard bulbs or LED. The socket Carter sells for dual filiment bulbs is pretty standard you could take it to an autoparts store and match it up with either the standard or LED style. If the FLAPS doesn't have LED try a truck stop.
'51 Chevy 1/2 ton w/'62 261, HEI, offy, fentons, dual carter/webbers, t-5 & 12 bolt posi
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