One of my pet hates on the early 240z and 260z’s is the universal joints. Don’t get me wrong though I don’t really hate them but I’ve always wanted to upgrade to CV (Constant Velocity) joints. Thankfully several people have done this modification. Often used for high HP applications due to being more robust and of better design CV joints can also improve ride quality making an early 240z or 260z a nicer place to be.

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