Have you tried drilling through the align blades and making the plastic piece from the B400 woodies fit? I''''m curious to see if that would damage the aligh blades.
Kenn,
I''m still using the stock woodies only.
I hit things often and would rather have them break then something else.[
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I''ve heard it done as SeaComms explained or you could use some thin plastic to fashion your own shims.