Tooth: 12; Work with #35 Chain(Chain Not included) 3/4″ bore designed Replacement for 6.5hp 212CC engines Made of high quality iron material,which is lightweight, portable, sturdy, durable, maximum torque, wear-resisting and fast heat disation Package included:1 x Go Kart Centrifugal Clutch Introductions: This Clutch Will Fit 2 – 6.5 HP Engines Honda GC160, GC190, GX120, GX140, GX160, GX200 Also will fit Briggs & Stratton and 2 – 6.5 HP With 3/4″ Shaft Also Will Fit Engines 2 – 6.5 HP With 3/4″ Shaft And Any Other Engines With 3/4 Crank Shaft and 3/16″ Key Way. Specifications: 1. Material: Iron 2. Package Dimensions: (13.77 x 4.33 x 4.33)” / (35 x 11 x 11)cm (L x W x H) 3. Weight: 2.76 lbs / 1.25 kg 4. Clutch: 3/4″ Bore 12 Tooth 5. Replacement for: Go Kart Package Includes: 1 x Go