Thanks but no. There are two rods that go from the dash up to the firewall. This one seems to mount under the left rod at the lower end where it meets the dash and heads over to the left. Got some answers on the other site that support the theory that it's unused on mine so I'm leaving it off.
Sic friatur crustulum
'84 GW with Nissan SD33T, early Chev NV4500, 300, narrowed Ford reverse 44, narrowed Ford 60, SOA/reversed shackle in fornt, lowered mount/flipped shackle in rear.