VMC Chinese Parts Part number: 1130-CL304-52 Qty. 1 2 3 4 5 6 7 8 9 10 Add to Cart Centrifugal Clutch Assembly - 5/8 Bore 10 Tooth for Go-Karts and Mini Bikes - Version 52 - is currently on backorder. You may still purchase now though and we'll ship as soon as more become available. Centrifugal Clutch Assembly - 5/8 Bore 10 Tooth for Go-Karts and Mini Bikes Version 52 Clutch assembly is a centrifugal clutch for go-karts and mini bikes. Clutch details: 5/8 Bore 10 Tooth / Teeth Used with #35 chain Known to fit 2hp and 3hp engines with 5/8" shafts. Check pictures and measurements to be sure this is the correct clutch for your application.