Go Kart Clutch 3/4" Bore 12 Tooth with 3/4" 12 #35 chain Product Details Manufacturer: GYMMEDS Brand: GYMMEDS Model: TOC008 Item Weight: 3.65 pounds Package Dimensions: 4.53 x 4.49 x 3.23 inches Item model number: TOC008 Exterior: Machined Manufacturer Part Number: TOC008 ?12 Tooth Centrifugal Clutch?This go kart clutch 3/4" Bore 12T and #35 Chain, Widely applicable to Go Kart, minibike, generator, garden tractors, scooterx, sport kart, mini chopper and mini motorcycles engines.( fits engines with 3/4" crank shaft and 3/16" key way ) ?Compatible?Centrifugal Clutch fit for Predator 212cc engine ( engines with 3/4" crank shaft and 3/16" key way). Works with Honda GX160, GX200, GX 140, GX120, GC160, GC190, Greyhound 196cc, Briggs and Stratton Tecumseh engines.Also fits any other engines with 3/4" crank shaft and 3/16" key way, most 5.5 HP clones, 6.5 HP clones and 4-7HP motors in all brands. ?Product Material? The Go kart clutch is made of super grade high impact/wear resistant steel, which is lightweight, portable,maximum torque, wear-resisting and fast heat dissipation. ?Easy to Install? The Go kart clutch is easy to install, Installation tool kit are included. Mounts onto crankshaft using bolt and washer on the end of the crankshaft and using screws set for double secures your clutch to the engine.