any experience with these

I've always thought the front suspension was crap having no adjustment but I've come across these https://5004preparation.bigcartel.com/p ... lower-arms Has anyone else got experience using them?
This forum is for Midas and Midtec Bronze enthusiasts. The Midas is a British car designed as a replacement for the Mini Marcos.
http://midasownersclub.co.uk/forums/
http://midasownersclub.co.uk/forums/viewtopic.php?f=55&t=3115