This kit will work with GCB-95. All Revisions. Choose your revision from the drop-down menu. A picture of the revisions circuit board will be shown. Color of board and components may be different but the board layout should be the same.

Here's some pics to help identify what revision you have: https://griffineffects.com/info/how-to/identify-dunlop-wah-circuit-boards
If you need help identifying which revision you have, contact us.

A toggle switch to add more bass to the sweep of your wah so you don't loose the bottom end anymore. One position is stock and the other adds bass.

Kit includes:
Toggle Switch
Wire
Instructions

This kit requires drilling a hole in the enclosure.