ball and socket throttle connection

Lokar WCA-1034: Carb End Assembly - JEGS High Performance
That one by Lokar may work. looks like the silver piece slides down so the ball can come out

JEGS 15734: Quick Release Carb Linkage Swivel 1/4"-28 Male x #10-32 Female x 1/4" Ball - JEGS High Performance
They also have this one which definitely comes out but it is a threaded end not cable