Castle Nut on Ball Joint Specs - Suspension & Steering - Classic Z Car Club Skip to content

Castle Nut on Ball Joint Specs

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Good morning everyone, I'm replacing the boots on my stock ball joints. The joint is in excellent condition, but removing it from the steering arm damaged the castle nut thread. I've gone to the local hardware store and the local parts stores, including Nissan, but they don't have a replacement. I'm sure I can find one somewhere, but I need to know what it is first. My guess is a 14m with a thread pitch of 1.25 or 1.5?

Hoping someone knows...

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BTW, I think I figured it out. The nut is a 14M with a pitch of 1.25. I did some measuring and I'm 95% sure that's what it is. Just in case this is helpful to others!

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