Skyjacker SS assembly

I'm ready to install a Skyjacker steering stabilizer on my '97 XJ Sport-- no directions so I'm posting a pic of the assembly:

http://server3.pictiger.com/img/933879/picture-hosting/steering-stabilizer-002.php

Question--how do I tighten nuts as there's no hex to grab onto as on the original stud? Just secure the top nut & torque down bottom nut?

TIA
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1997 XJ Sport