Yes sir they do... Well, kinda. You remove the old ones and pop these on. There is an allen screw that holds them onto the shaft.
2000 Black ZX3
1/4: 12.557 @ 112 (new time)
1/8: Dont remember at the moment
POWER: 302.25 HP 278.66 TQ
MODS: Custom Focus-Power Intake System