www.balsausa.com
http://www.malhobby.com/MALkits.html
http://www.merchantamerica.com/www.r...&category=3208
http://www.stevensaero.com/shop/home.php?cat=248
Hardest part of building a glow plug is to get that nichrome soldered down in the bottom of the hole - especially if you're building one with an idle bar plug.
[Dr1, you're as big a wise arse as I is. ;-)]