Originally Posted by Fuzzy
The AE/IRS arms are molded using a nylon material. Those arms in the picture look like they're molded from an Acetal (Delrin) resin and then machined.
I finally saw the pic you were talking about. Nash changed the pic numbers up so it took me a minute to find it. You are correct. That is a machined delrin arm. That must be a new bit CRC is looking at producing.