Question: Are they the same for a TH-350 as well as the TH- 400 ? Who reproduces the insulators...? Jay B.Britt,Jr. Sent from my LG-H634 using Tapatalk
If these are the same as 67 uses they are still available from GM, part # 1385001 http://www.gmpartsdirect.com/oe-gm/1385001
I have a couple new ones if you want I would sell them, PM me if interested with your email, I will send you pics.