Problem Solving Bushes (PSB)

[Stuoyb]

Hello All,
Has anyone used these bushes on their front lower arms?
They seem to be a cheaper alternative to Powerflex but are they any good?

 

[gookah]

have used Strongflex red on mine
cheaper than Powerflex Purple but same shore hardness


https://www.strongflex.eu/en/bmw-e30-82-91/46-front-lower-arm-bush-5902553501902.html