Fit for 400 all ATV UTV Carb & EFI models. Fit for Massimo, for Supermach, for Menards Yardsport and More ATV UTV 400 cc. No instructions, professional installation is highly recommended. These replacement parts have been tested to meet or exceed the OEM specifications. 100% Brand New, Never Mounted. 1 Year Warranty. Fast Delivery. Size:Model 2 (+ Secondary Driven Clutch) Fitment: Fit for 400 all ATV UTV Carb EFI models Fit for Massimo, for Supermach, for Menards Yardsport and More ATV UTV 400 cc Reference OEM Number for Hisun: Primary Drive Clutch: 21321-F12-0000, 91109-F12-0000, 21302-F12-0000 Primary Fixed Sheave: 21301-F12-0000 Secondary Driven Clutch: 21300-F12-0000 Wet Clutch Cover Housing: 21210-F12-0000 Wet Clutch Shoe Carrier Assembly: 21230-F12-0000 Clutch Flange Nut M22: 6172.1-22-2 Clutch Flange Nut M16: 6172.1-16-1 Clutch Cover Gasket: 21241-F12-0000 Oil Seal: 91108-F12-0000 Bearing: 21220-F12-0000 Oil Filter: 15200-F39-0000, 15200-003-0000 Package Includes: 1 x Wet Clutch Cover Clutch Shaft/Drum 1 x Wet Clutch Shoe Carrier Assembly 1 x Primary Drive Clutch 1 x Primary Fixed Sheave 1 x Secondary Driven Clutch 1 x M22 Clutch Flange Nut 2 x M16 Clutch Flange Nut 1 x Clutch Cover Gasket 1 x Bearing 1 x Oil Seal 1 x Oil Filter