Centrifugal clutch: 3/4″ bore centrifugal clutch 10 tooth with #40/41/420 Chain design for predator 212CC 2-6.5 HP Engines 2300??300 PRM with 3/4″ Shaft and 3/16″ Key way. Compatability: Compatible with Honda GC160, GC190, GX120, GX140, GX160, GX200, Harbor Freight Greyhound 196cc, Harbor Freight Predator 212cc, Tecumseh Briggs and Stratton Tecumseh engines. High quality and professional clutch: Made of Quality Iron Material, Which is Lightweight, Portable, Sturdy, Durable, Maximum Torque, Wear-resisting and Fast Heat Disation. Package included: 1*Centrifugal Clutch, 1*5 Feet #40/41/420 Chain. Commonly use: Go Kart and Mini Bike, Lawnmower and Fun Kart, also it can be used for many other applications. Product Description Description: 100% Brand new, Never been used. 3/4″ Bore 10 Tooth 41/420 With 3/16″ Key Centrifugal Clutch and 5 Feet #40/41/420 Chain Clutch has 3/4″ Bore with built-in 3/16″ Keyway – 10T (10 Teeth), the clutch can be installed inward or outward. Engagement Speed: 23