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Turbo 510 »
https://forums.nicoclub.com/turbo-510-u3954.html
Tue Oct 09, 2007 10:28 am
You will need a speedo pinion from a KA powered Hardbody. It will bolt into the tranny in place of the electronic sending unit. They are about $50 and the part numbers are in the Nissan Comp book. Mine is a 21 tooth unit for use with 225/40 VR-16 tires. The stock speedo cable will not reach and must be swapped out for a 300Z unit (or anything suitably long).