Custom arm for dial indicator

This arm is made from 1/8" brass rod. It sits around the top of the closing shim and facilitates the checking of the valve movement when doing cam timing.

Ducati Monster 8mm valve with MBP collet installed

Closing shim fully seated

Here's how the closing shim should look when the half rings are fully seated. Note how the top of the shim is flush with the top of the valve stem.

Note: 4V engines only.