My complaint about the many sellers is that none show the beam projected on a wall. "Headlight Revolution" is a web site which demonstrates and sells LED drop in bulbs and LED "Sealed Beam" units and demonstrates each option they sell. They have made many videos and put them on youtube and depending on your level of interest, you can spend several hours learning what is important and which units perform well. I finally set aside some time and watched several of the videos. For those wanting to cut right to the bottom line, the GTR Ultra Generation 3 bulb most closely duplicated the beam pattern of the original halogen bulb and was also the brightest of the options. In one of the videos, I believe the presenter said the bulbs were available singly but the sales section made no mention of that option. I plan on waiting until after the holidays to make a purchase but in the mean time will Email HR to ask about a single bulb purchase, if there have been any reports of radio interference, and if there have been any reported difficulties in installing those bulbs in a Harley Road King reflector. With the only previous drop in LED I tried, the retaining spring had to be bent a bit to get it below the heat sink. HR also sows some 800 series passing lamp LED bulbs that may be too long to go in the Harley enclosure, I will inquire about those also. For those interested enough to learn why most brand X drop in LEDs provide bright but uncontrolled light, the answer is in there. Typically, the videos are "slow going" but I came away knowing considerably more than when I started. You can either go for the "full immersion" experience or go straight to the GTR Ultra Gen 3 evaluation to see what that bulb does and how HR evaluates them. I have no relationship with Headlight Revolution, haven't even bought anything from them yet, I'm just a guy thinking about better lighting for my old sled at a more affordable price and they seem to be a good source of information. When Googling for GTR bulbs, lots of brand X results come up, few actual sellers of GTR products, and the prices all seem close.

Curiosity pushed me to look at the sealed units also and I was surprised to see that both the JW Speaker projector unit and the Truck-Lite reflector unit were only "good" or "satisfactory", not "excellent" as I would have expected. Again, if you have the time and patience, the information is in there.

 

Ehh, even if they cut the price in half to $120 for a single bulb you're spending a bunch of money for something that I don't think is going to serve as well as a properly designed complete housing.

I have the Truck-Lite headlight and am quite happy with it. Very happy that it's USA made as well.

 

What makes you think that they wouldn't be just as good or better than a complete housing?? I am not disagreeing with you. Just genuinely asking is all.

 

I swapped my head and spots with LED bulbs from DK Custom Products. All 3 bulbs to my door for about a $100. They are just plug and play bulb swaps. They are not ridiculously brighter than stock but they do seem brighter when you look at them. My biggest plus on these is the color of the light they put out. It is more white than yellow like standard bulbs. I think this gives the perception of it being a lot brighter than it is. However, the light that is coming out of these matches perfectly to reflective road signs. I can see them reflected up to a 1/4 mile away. You get about 4 blocks from a sign and you would swear the sign has lights built into it.

I have never cared for the projector style on a bike because if you get off to the side you cannot tell there is a light on. I want to be seen.

 

 

Good info. Thanks.

 

I installed the Sun Pie lights as well. Very happy with them. It served it's purpose by lighting up the roadway at night better than the stock headlights at a great price.

 

" , especially when considering the led drop in bulbs which generally don’t perform near as well as the led replacement assembly. "
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I provided the SOURCE material for a reason, DON'T bother checking and make your own decision...you can lead a horse to water... Periodically people inquire about purpose built and drop in conversions. There is photographic evidence and credible information, use or disregard at will.

 

 

The web site I recommended tested both complete assemblies and drop in bulbs. The drop in bulb I am considering outperformed most of the sealed assemblies in the video taped tests. Because this was so different from past experience (and yours) I thought I would share the results, and the source of the results. Each interested person can then go and evaluate the testing method and the results for himself and decide based on their evaluations of the tests which way they want to go. I would respectfully suggest looking at the test yourself before condemning out of hand based on dated information. I tried to convey that in the original post. On occasion, technology does change and improve.