This is a 'rebuild' kit for the engine vent flapper valve thing which includes a new rubber flapper piece, the metal cross shaped thing that keeps everyting in place, a new screw, washer and lock washer.... Everything you see here in the 1st 2 images. Works for all bevel drives that have some sort of arrangement as shown on the last 2 images including 750GT, 750 Sport, 750 Super Sport, 900 Super Sport, Darmah etc etc.....