I had them on 3 of my 4 trads.They work well. Especially on later cars where the hinge is bolted to the front pillar.
I found one of my Brooklands Roadster as I fiited a walnut dash. This door check was fitted by MMC from new.
![[Linked Image]](https://tm-img.com/images/2026/05/11/20230811_160831.jpeg)
And also open & closed when fitting cruise control.
![[Linked Image]](https://tm-img.com/images/2026/05/11/20220427_155322.jpg)
![[Linked Image]](https://tm-img.com/images/2026/05/11/20220427_155327.jpg)