So all the LEDs sold by Superbright leds are "fraudulent trinkets" , just because they don't make one that'll work on a '67 Dart front turn signal? Based on 67gt's description, a #1157 won't fit it anyways.
No. Most of the "LED bulbs" on the market, including all of them offered for vehicle exterior lights by SuperBrightLeds, are fraudulent trinkets.
AND, separately, there is no legitimate LED bulb that will work effectively and safely in the front turn signal of a '67 Dart. It's not impossible for such a bulb to exist, there just isn't one on the market. If Philips had ever made an amber version of the one linked for brake lights, it would work perfectly in applications like this. But they never did, and sadly never will (they're discontinuing that design in favour of two lower-performance designs that are cheaper for them to make, and aren't compatible with fresnel optics).
AND, also separately, there's something the matter with the sockets in 67gt's car—perhaps a previous owner did a hackaѕѕed "repair" with incorrect sockets, or perhaps the original sockets are faulty; repair info is here.
