Where do the Throttle Bushings Go?

Trying to locate where they should go on Superblack, having bought a new pair of them. Are they what is referred to as a “distance piece” (#17) in the following parts diagram?

https://parts.jaguarlandroverclassic.com/parts/index/part/id/C03.910.91019.91019243.910192433487/brand/jaguar/

:confused:

No. Looks like you might need to “refer to inlet manifold”.

Here’s few pictures of Teflon bushings installed into place: