[73GMC10]

Originally Posted by notallthere

Are you talking about the keyed nut that holds the hub in place?

If so:
http://www.summitracing.com/int/part...a/applications

yes that is what im looking for, I think the one I need is the 2-5/8 when I went to the tool place I found today it had the 2-5/8s one and it said on it for 73-81 gmc 3/4 ton and 1 ton axles so fingers crossed thankyou for the link I hope I have the right one