A USED SCREW ON TYPE CLUTCH OFF OF A  SKI DOO TYPE 343 MOTOR.HAD IT FOR A EXTRA FOR ARE OLYMPIQUE 340.COMES WITH SPACERS.DONT KNOW MUCH ABOUT IT AS IT WAS A EXTRA AND NEVER INSTALLED ON ARE SLED.SOLD SLED,NOW THE PARTS HAVE TO GO.I HAVE INCLUDED A PIC OF THE MOTOR TAG.SEE PICS,THE PART IN THEM IS WHAT YOU BUY.ASK ANY QUESTIONS BEFORE BUYING,NO RETURNS.WILL SHIP USPS GROUND ADVANTAGE,OR UPS GROUND SAVER,FREE.