I Helicoiled all my floatbowl threads 2 weeks ago, because three had gone bad loosening the bowls.
I ordered a set from Amazon, cost me 7 euro INCLUDING postage, took 3 days to get here and then spent less than an hour on a rainy sunday afternoon to put them in. The set was complete with all the tools I needed, drill, allen key, thread turner inner
![Wink ;)](http://www.sohc.co.uk/Smileys/default/wink.gif)
and 24 coils, so enough spare to make mistakes (which I didn't).