Great lights very bright work well when you get the right size be sure you get the exact number of bulb. some time the eBay sight may give you wrong info .
I bought these to use as a direct replacement rear turn signals on my 2003 Kawasaki 1500.
When installed and activated, both bulbs flash at the same time. I have written to Sylvania and they can't explain why they won't work. So I've had to install the old bulbs with no problem!