Includes 1 HP05S motor, 2 mounting screws and 2 washers, as shown. You will need shorter mounting screws when installing in an aftermarket frame (2mm or 2.4mm long 1.4mm diameter screws) , which can be found Here
Pinions sold separately, available Here
When purchasing a compatible pinion with the motor, the pinion will be installed for free. If you purchase both an 8 tooth and 9 tooth 1.5mm bore pinion with the motor please specify Via E-mail or in the Paypal comments section during checkout which pinion you would like installed.