RCM 1/8 motor mounts > compatibility between models?

Originally Posted by Dafni

Confirmed! Plus add XB8TQ

Hello, thanks for your reply, I saw that one of the center differential mount was higher on one model, there is no mods for all these models?
If it's the case it's a good news.

older XB8 users may need the matching front bulk(XRay #354011), as the mount was designed for the truggy and new XB8EC Buggy, which uses a slightly taller center diff mount.

Is it just for the old XB8 before the XB8R?