NOTE:  these studs are for the DIO (Vertical engine) af18 etc , not for the Horizontal engine Dio engine, Fits the following: HONDA :

 

SK 50 Dio (AF27) ,SK 50 Dio SR (AF28) ,SK 50 Dio XR (AF28) 

SK 50 Dio ZX (AF28),SA 50 Elite LX/SR 88-93,SA 50 Elite SR/P/S 94-01,SK 50 Dio (Af18e)