Looking for Answers about Hilliard Extreme-Duty Centrifugal Clutch - 1in. Bore, 17 Tooth, 35 Chain Size?

Hilliard Extreme-Duty clutches are ideal for the everyday demands of go-karts and youth-model snowmobiles. Thermodynamically designed clutch shoe increases the clutchs capacity to absorb heat without damaging the clutch springs, thereby providing a longer service life, even in the most demanding applications. For use with engines up to 13 HP. U.S.A. Application: Sprocket, Chain Type: #35, Bore Diameter (in.): 1, Teeth (qty.): 17, Engine: Up to 13 HP, Engagement Speed (RPM): 2,300, Overload Protection: Yes Bi-directional operation Load-free starting Overload protection Easy to install Integral key design Replaceable sprocket Easy-to-change springs Tolerates excessive heat generated by: inexperienced riders, riding with one foot on brake, riding in soft dirt and tall grass, and frequent starts and stops