Shop to re-curve dizzy

[Peter Macholdt <vze2846b@verizon.net>]

With my current engine mods, I'd like to increase my centrifugal advance
from the stock 13 degrees to a more aggressive 20 degrees.  Does anybody
know of a shop that will modify my dist, or better yet, just sell me the
modified plate?

Thanks,
Peter
'68 TR250

PS- thanks to Bob Lang for his off-list assistance