Exterior lights are crucial safety equipment that keep you (and your car) from getting hit. They have to work
right, not just light up and "yup, looks good to me". Read
this before deciding there are "no issues" with the fraudulent trinkets offered by SuperBrightLeds and a zillion other vendors all over the internet. There is no legitimate LED 1157 that will work effectively, safely, and legally in the '67 Dart front turn signal, because it's got Fresnel-type optics (see link at the top of this paragraph for explanation).
$65 is too much to pay for the Philips brake bulbs; see
here.
The flasher to use is
this one (2-prong like original; connect its ground wire conveniently).
