[Y-Blockhead]

Originally Posted by Tom Endy

The washer goes inside the distributor. The best way to install it is to remove the lower plate and use contact cement to glue it to the lower plate tab. Put it on the side facing the hole. Reinstall the lower plate. Insert the condenser and install the screw.

Tom Endy

I have found that after doing what Tom suggests the reproduction washer is so thick that the rubber plug that goes in the condenser hole will not stay in. I would suggest cutting the washer in half before installing it as Tom says. Ensure the screw isn't too long also.

http://www.snydersantiqueauto.com/condenser-hole-plug