They should be pinned tight against the flywheel - no gaps. And it was just a stab in the dark but I'm glad you found the anomaly.
So the big questions is - what is this pressure plate off? I have a theory about flywheels and pressure plate kits. Clutches from early Hyundais fit 4G63/G63B's but the pressure plate is inverted (it's a 'pull' clutch instead of push) I haven't checked the dimensions BUT they make full clutch and flywheel kits for Elantra/Tiburon/Coupe in 4 stage performance packages. Wonder if the flywheels interchange (they are 6 bolt)