The product is a primary drive clutch designed for a 2006 Kawasaki Kfx80 2x4 ATV model and is also compatible with the Lt80 model. It is an OEM part manufactured by Suzuki, with part numbers 21120-29A01, 21110-40B01, and 21122-03A01. The SKU number is AC-3977-51 and it is specifically compatible with vehicles from the year 1996. The primary drive clutch is a crucial component of the transmission and drivetrain system, responsible for transferring power from the engine to the wheels, ensuring smooth operation of the ATV.