im wonting to find a place that dose custom spur gear to your spec? im wonting to convert my hsp 1/10th 2 speed transmission to metal cant seem to fin anyone offering metal options but i have herd of it being done custom so anyone know of a reliable source? any help greatly thankful seems silly to you but it a project that i would like to complete as i herd metal transmission give better over all speed.

Do a search for a local machinist in your area. Bring him the plastic gears and tell him what you want. It's probably going to cost quite a bit but you can find someone to do anything you are willing to pay for.