please help, where can find this part

[dreamchaser]

its is called half moon key or woodruff key and looks like this
http://www.automotive-technology.com/contractor_images/canara/1_woodruf.jpg

Where can i buy these from?

[Ihatetowait]

Depending on size, lawn mower shops.

[BigBadBear]

What size?
Anybody with a Papco assortment or try Transmission Supplies Ltd on 42nd ave or Motion Industries on 75th ave in foothills industrial.
They are a common standard part and easy to get in SAE sizes, metric ones can be real hard to come by but they do exist.
Also Quest, Triad or Foothills Fasteners depending on which part of the city your in

[97'Scort]

Princess Auto.