The above link is for a steering rack centering tool on eBay. The starting bid is about $15 with $5 for shipping. It is much simpler to find a Nuts and Bolts Warehouse and buy a couple of hardened 1.5 x 50 mm bolts for $3.00 - then grind the ends into a slight point. You might check the work shop manual to verify the bolt size but I m pretty sure it's accurate - the centering tool I made works great with one to spare.
I'll check on the bolt information - I am missing a couple of the spec' numbers
Michael