Stereo & Electronics - Sail Panel Speaker U-nut

Does anyone know the GM part no. for the u-nuts that hold the sail panel speakers in place? I lost one and am in need of this to finish installing my speakers.

Thanks in advance.

-John

Just a dorman speednut from lowes or pep boys will work, #6 or #8 I think.

It's a #6: http://ls1tech.com/forums/stereo-electronics/931445-bazooka-6-1-4-4-ohm-dvc-sail-panel-install-w-pics.html