[mickmate]

Tom is right with the limits on road car use. A grease fitting can hurt you if it's sticking the road dirt in there. A heim can be a $7 or a $37 item in the same size and type, you definetely get what you pay for with them. Teflon is available in some also. QA1 are pretty good. Jegs, Summit, Pegasus or any good race car supplier will have what you need. They are specified by the material (you want steel) thread size, thread direction right or left, thread male or female, and the hole size.