Originally Posted by
Sean Cochran
I'm pretty sure they are 3mm.
8536 and 8537 are the correct bulkheads.
8538 is for the oval car and will NOT work with the on-road pod!
Correct numbers for the other R5.1 parts are
4687 Motor mount standoff
4688 Graphite shock mount
We do not have the parts available yet. They should be out soon.