We made this product to help build your own clutch installation Kit for the Vittorazi Moster 185 Plus and Factory R. When installing a clutch you need a piston locker, 3 jaw puller, reduction wrench, and new clutch drum cap. Please shoot us an email info@SkySportsUSA.net with any questions.
Checkout page 86 of the Vittorazi Maintenance Manual for detailed instructions.