When replacing or refitting your valve, ALWAYS renew the screws and peen them after your are satisfied with the valve adjustment.
NEVER re-use old screws!
For your convenience, you can order these screws right along with your new disc(s).
The screws are also available loose and are listed under # 84 on the DHLA Parts page.
Required quantity per carburettor: 2
This is item number 14 in the drawing.