Throttle Linkage Aluminum Quick Disconnect (10-32 Ball Stud). Male.

Make engine changes quick and easy with this Quick Disconnect Rod End. The ball bolts onto each end of the bell crank / injector rod linkage, and can quickly be removed when changing the engine.
Pull the sleeve back, slip it over the ball and release ... and you're done.

Bolt tread on the ball stud is 10-32.

Disconnect Sleeve Thread: Male 10-32 (Right Hand)
Ball Stud Thread: 10-32
Weight: 0.37 ozs