Ultra-carbon does One off pieces. I have not used them personally. His work does seem quality.
http://www.ultra-carbon.com/Parts.html
I was searching some time back for a formula hood and came across his video on YT -
https://www.youtube.com/watch?v=yk9PpuUU5Es
He claims his fenders are 9 lbs vs. stock @ 33lbs , But he is asking $1000 per fender
Will Beebe