late steering box drop arm nut

[six]

Quick question.

Anyone know the size of the nut that holds the pitman arm onto a late bay steering box? or better still where can i get a new nut needed realy fast. bought one and a random washer arrived. they screwed up the order now i can use the van

thanks

 

[six]

M24 x1.5 101 ft lbs torques FYI

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