Otto,
The part I am curious what the length is is the part that attaches to the gas pedal. It then runs through the firewall and attaches to a bracket on the side of the motor which rotates the movement to an up/down direction to the carb. I feel that piece is correct as it fits the bracket to carb well. The part going through the firewall looked like it might have been modified previously before I got the truck.
Thanks, Jerry