Here you go Craig:
http://www.jamstrait.com/products.html
These bulbs fit tightly. I see they've revamped their site and have a lot more choices! The PT's bulbs are 3157. If you go with these, you'll need a variable load flasher so your blinkers don't speed up. Also, keep in mind the narrow viewing angle as per my prior post.
The owner Bruce is a great guy to deal with and I would recommend doing business with him.