This
is used to drill
then tap the dowel pin holes on the aluminum blocks.
Ford used a screw in one that used a M6 thread. It has been found
to
be a problem and breaks. This fixture steps the holes up to M8
threads.
Here is a link to a good thread about this
fixture - CLICK
HERE
Also here is a link to a tech article from
Mustangs and Fast Fords - CLICK
HERE
(Yes that is
one I sold AED)
The fixture includes the plate, 2 drill bushings
(one for drill and one
for the tap),
bushing hold down hardware, drill, and tap.