The UK MSCC have a technical group for early cars you could try them.
I'm not sure if you myst be a member. Here is the link.
Contact are :- Telephone orders are taken Monday to Friday, 09.00 to 17.00, on 07967 887060 or tech.spares@morgansportscarclub.com.

JohnV6
2022 CX Plus Four
2025 Renault Scenic Alpine etech "Yvette"